diff --git a/packages/google-privacy-dlp/package-lock.json b/packages/google-privacy-dlp/package-lock.json
index 265fecb1777..37590213f60 100644
--- a/packages/google-privacy-dlp/package-lock.json
+++ b/packages/google-privacy-dlp/package-lock.json
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     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -11734,31 +11865,55 @@
       "dev": true
     },
     "table": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/table/-/table-4.0.2.tgz",
-      "integrity": "sha512-UUkEAPdSGxtRpiV9ozJ5cMTtYiqz7Ni1OGqLXRCynrvzdtR1p+cfOWe2RJLwvUG8hNanaSRjecIqwOjqeatDsA==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/table/-/table-4.0.3.tgz",
+      "integrity": "sha512-S7rnFITmBH1EnyKcvxBh1LjYeQMmnZtCXSEbHcH6S0NoKit24ZuFO/T1vDcLdYsLQkM188PVVhQmzKIuThNkKg==",
       "dev": true,
       "requires": {
-        "ajv": "^5.2.3",
-        "ajv-keywords": "^2.1.0",
+        "ajv": "^6.0.1",
+        "ajv-keywords": "^3.0.0",
         "chalk": "^2.1.0",
         "lodash": "^4.17.4",
         "slice-ansi": "1.0.0",
         "string-width": "^2.1.1"
       },
       "dependencies": {
+        "ajv": {
+          "version": "6.5.1",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.1.tgz",
+          "integrity": "sha512-pgZos1vgOHDiC7gKNbZW8eKvCnNXARv2oqrGQT7Hzbq5Azp7aZG6DJzADnkuSq7RH6qkXp4J/m68yPX/2uBHyQ==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^2.0.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.1"
+          }
+        },
         "ansi-regex": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
           "dev": true
         },
+        "fast-deep-equal": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+          "dev": true
+        },
         "is-fullwidth-code-point": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
           "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
           "dev": true
         },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+          "dev": true
+        },
         "string-width": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -11891,6 +12046,7 @@
       "version": "2.3.4",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
       "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
+      "dev": true,
       "requires": {
         "punycode": "^1.4.1"
       }
@@ -11922,6 +12078,7 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -11930,6 +12087,7 @@
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
       "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "dev": true,
       "optional": true
     },
     "type-check": {
@@ -11952,12 +12110,6 @@
       "resolved": "https://registry.npmjs.org/type-name/-/type-name-2.0.2.tgz",
       "integrity": "sha1-7+fUEj2KxSr/9/QMfk3sUmYAj7Q="
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
-    },
     "uglify-js": {
       "version": "2.8.29",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
@@ -12182,6 +12334,23 @@
         "xdg-basedir": "^3.0.0"
       }
     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+          "dev": true
+        }
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -12224,7 +12393,8 @@
     "uuid": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz",
-      "integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA=="
+      "integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA==",
+      "dev": true
     },
     "validate-npm-package-license": {
       "version": "3.0.3",
@@ -12240,6 +12410,7 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
diff --git a/packages/google-privacy-dlp/package.json b/packages/google-privacy-dlp/package.json
index a0c59f01449..cd4cb240ded 100644
--- a/packages/google-privacy-dlp/package.json
+++ b/packages/google-privacy-dlp/package.json
@@ -53,13 +53,12 @@
     "test": "npm run cover"
   },
   "dependencies": {
-    "google-gax": "^0.16.0",
+    "google-gax": "^0.17.1",
     "lodash.merge": "^4.6.0",
     "protobufjs": "^6.8.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^2.3.0",
-    "async": "^2.5.0",
     "codecov": "^3.0.0",
     "eslint": "^5.0.0",
     "eslint-config-prettier": "^2.6.0",
@@ -71,7 +70,6 @@
     "mocha": "^5.0.0",
     "nyc": "^12.0.2",
     "power-assert": "^1.4.4",
-    "prettier": "^1.7.4",
-    "through2": "^2.0.3"
+    "prettier": "^1.7.4"
   }
 }
diff --git a/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/dlp.proto b/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/dlp.proto
index 97b25f469f1..4b151b3ed68 100644
--- a/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/dlp.proto
+++ b/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/dlp.proto
@@ -41,11 +41,19 @@ option php_namespace = "Google\\Cloud\\Dlp\\V2";
 // blocks or images.
 // The service also includes methods for sensitive data redaction and
 // scheduling of data scans on Google Cloud Platform based data sets.
+//
+// To learn more about concepts and find how-to guides see
+// https://cloud.google.com/dlp/docs/.
 service DlpService {
   // Finds potentially sensitive info in content.
   // This method has limits on input size, processing time, and output size.
-  // [How-to guide for text](/dlp/docs/inspecting-text), [How-to guide for
-  // images](/dlp/docs/inspecting-images)
+  //
+  // When no InfoTypes or CustomInfoTypes are specified in this request, the
+  // system will automatically choose what detectors to run. By default this may
+  // be all types, but may change over time as detectors are updated.
+  //
+  // For how to guides, see https://cloud.google.com/dlp/docs/inspecting-images
+  // and https://cloud.google.com/dlp/docs/inspecting-text,
   rpc InspectContent(InspectContentRequest) returns (InspectContentResponse) {
     option (google.api.http) = {
       post: "/v2/{parent=projects/*}/content:inspect"
@@ -55,7 +63,12 @@ service DlpService {
 
   // Redacts potentially sensitive info from an image.
   // This method has limits on input size, processing time, and output size.
-  // [How-to guide](/dlp/docs/redacting-sensitive-data-images)
+  // See https://cloud.google.com/dlp/docs/redacting-sensitive-data-images to
+  // learn more.
+  //
+  // When no InfoTypes or CustomInfoTypes are specified in this request, the
+  // system will automatically choose what detectors to run. By default this may
+  // be all types, but may change over time as detectors are updated.
   rpc RedactImage(RedactImageRequest) returns (RedactImageResponse) {
     option (google.api.http) = {
       post: "/v2/{parent=projects/*}/image:redact"
@@ -65,7 +78,12 @@ service DlpService {
 
   // De-identifies potentially sensitive info from a ContentItem.
   // This method has limits on input size and output size.
-  // [How-to guide](/dlp/docs/deidentify-sensitive-data)
+  // See https://cloud.google.com/dlp/docs/deidentify-sensitive-data to
+  // learn more.
+  //
+  // When no InfoTypes or CustomInfoTypes are specified in this request, the
+  // system will automatically choose what detectors to run. By default this may
+  // be all types, but may change over time as detectors are updated.
   rpc DeidentifyContent(DeidentifyContentRequest) returns (DeidentifyContentResponse) {
     option (google.api.http) = {
       post: "/v2/{parent=projects/*}/content:deidentify"
@@ -74,6 +92,9 @@ service DlpService {
   }
 
   // Re-identifies content that has been de-identified.
+  // See
+  // https://cloud.google.com/dlp/docs/pseudonymization#re-identification_in_free_text_code_example
+  // to learn more.
   rpc ReidentifyContent(ReidentifyContentRequest) returns (ReidentifyContentResponse) {
     option (google.api.http) = {
       post: "/v2/{parent=projects/*}/content:reidentify"
@@ -82,8 +103,8 @@ service DlpService {
   }
 
   // Returns a list of the sensitive information types that the DLP API
-  // supports. For more information, see [Listing supported predefined
-  // infoTypes](/dlp/docs/listing-infotypes).
+  // supports. See https://cloud.google.com/dlp/docs/infotypes-reference to
+  // learn more.
   rpc ListInfoTypes(ListInfoTypesRequest) returns (ListInfoTypesResponse) {
     option (google.api.http) = {
       get: "/v2/infoTypes"
@@ -92,6 +113,7 @@ service DlpService {
 
   // Creates an InspectTemplate for re-using frequently used configuration
   // for inspecting content, images, and storage.
+  // See https://cloud.google.com/dlp/docs/creating-templates to learn more.
   rpc CreateInspectTemplate(CreateInspectTemplateRequest) returns (InspectTemplate) {
     option (google.api.http) = {
       post: "/v2/{parent=organizations/*}/inspectTemplates"
@@ -104,6 +126,7 @@ service DlpService {
   }
 
   // Updates the InspectTemplate.
+  // See https://cloud.google.com/dlp/docs/creating-templates to learn more.
   rpc UpdateInspectTemplate(UpdateInspectTemplateRequest) returns (InspectTemplate) {
     option (google.api.http) = {
       patch: "/v2/{name=organizations/*/inspectTemplates/*}"
@@ -116,6 +139,7 @@ service DlpService {
   }
 
   // Gets an InspectTemplate.
+  // See https://cloud.google.com/dlp/docs/creating-templates to learn more.
   rpc GetInspectTemplate(GetInspectTemplateRequest) returns (InspectTemplate) {
     option (google.api.http) = {
       get: "/v2/{name=organizations/*/inspectTemplates/*}"
@@ -126,6 +150,7 @@ service DlpService {
   }
 
   // Lists InspectTemplates.
+  // See https://cloud.google.com/dlp/docs/creating-templates to learn more.
   rpc ListInspectTemplates(ListInspectTemplatesRequest) returns (ListInspectTemplatesResponse) {
     option (google.api.http) = {
       get: "/v2/{parent=organizations/*}/inspectTemplates"
@@ -136,6 +161,7 @@ service DlpService {
   }
 
   // Deletes an InspectTemplate.
+  // See https://cloud.google.com/dlp/docs/creating-templates to learn more.
   rpc DeleteInspectTemplate(DeleteInspectTemplateRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v2/{name=organizations/*/inspectTemplates/*}"
@@ -147,6 +173,8 @@ service DlpService {
 
   // Creates a DeidentifyTemplate for re-using frequently used configuration
   // for de-identifying content, images, and storage.
+  // See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+  // more.
   rpc CreateDeidentifyTemplate(CreateDeidentifyTemplateRequest) returns (DeidentifyTemplate) {
     option (google.api.http) = {
       post: "/v2/{parent=organizations/*}/deidentifyTemplates"
@@ -159,6 +187,8 @@ service DlpService {
   }
 
   // Updates the DeidentifyTemplate.
+  // See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+  // more.
   rpc UpdateDeidentifyTemplate(UpdateDeidentifyTemplateRequest) returns (DeidentifyTemplate) {
     option (google.api.http) = {
       patch: "/v2/{name=organizations/*/deidentifyTemplates/*}"
@@ -171,6 +201,8 @@ service DlpService {
   }
 
   // Gets a DeidentifyTemplate.
+  // See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+  // more.
   rpc GetDeidentifyTemplate(GetDeidentifyTemplateRequest) returns (DeidentifyTemplate) {
     option (google.api.http) = {
       get: "/v2/{name=organizations/*/deidentifyTemplates/*}"
@@ -181,6 +213,8 @@ service DlpService {
   }
 
   // Lists DeidentifyTemplates.
+  // See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+  // more.
   rpc ListDeidentifyTemplates(ListDeidentifyTemplatesRequest) returns (ListDeidentifyTemplatesResponse) {
     option (google.api.http) = {
       get: "/v2/{parent=organizations/*}/deidentifyTemplates"
@@ -191,6 +225,8 @@ service DlpService {
   }
 
   // Deletes a DeidentifyTemplate.
+  // See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+  // more.
   rpc DeleteDeidentifyTemplate(DeleteDeidentifyTemplateRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v2/{name=organizations/*/deidentifyTemplates/*}"
@@ -202,6 +238,7 @@ service DlpService {
 
   // Creates a job trigger to run DLP actions such as scanning storage for
   // sensitive information on a set schedule.
+  // See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
   rpc CreateJobTrigger(CreateJobTriggerRequest) returns (JobTrigger) {
     option (google.api.http) = {
       post: "/v2/{parent=projects/*}/jobTriggers"
@@ -210,6 +247,7 @@ service DlpService {
   }
 
   // Updates a job trigger.
+  // See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
   rpc UpdateJobTrigger(UpdateJobTriggerRequest) returns (JobTrigger) {
     option (google.api.http) = {
       patch: "/v2/{name=projects/*/jobTriggers/*}"
@@ -218,6 +256,7 @@ service DlpService {
   }
 
   // Gets a job trigger.
+  // See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
   rpc GetJobTrigger(GetJobTriggerRequest) returns (JobTrigger) {
     option (google.api.http) = {
       get: "/v2/{name=projects/*/jobTriggers/*}"
@@ -225,6 +264,7 @@ service DlpService {
   }
 
   // Lists job triggers.
+  // See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
   rpc ListJobTriggers(ListJobTriggersRequest) returns (ListJobTriggersResponse) {
     option (google.api.http) = {
       get: "/v2/{parent=projects/*}/jobTriggers"
@@ -232,6 +272,7 @@ service DlpService {
   }
 
   // Deletes a job trigger.
+  // See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
   rpc DeleteJobTrigger(DeleteJobTriggerRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v2/{name=projects/*/jobTriggers/*}"
@@ -239,7 +280,12 @@ service DlpService {
   }
 
   // Creates a new job to inspect storage or calculate risk metrics.
-  // [How-to guide](/dlp/docs/compute-risk-analysis).
+  // See https://cloud.google.com/dlp/docs/inspecting-storage and
+  // https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
+  //
+  // When no InfoTypes or CustomInfoTypes are specified in inspect jobs, the
+  // system will automatically choose what detectors to run. By default this may
+  // be all types, but may change over time as detectors are updated.
   rpc CreateDlpJob(CreateDlpJobRequest) returns (DlpJob) {
     option (google.api.http) = {
       post: "/v2/{parent=projects/*}/dlpJobs"
@@ -248,6 +294,8 @@ service DlpService {
   }
 
   // Lists DlpJobs that match the specified filter in the request.
+  // See https://cloud.google.com/dlp/docs/inspecting-storage and
+  // https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
   rpc ListDlpJobs(ListDlpJobsRequest) returns (ListDlpJobsResponse) {
     option (google.api.http) = {
       get: "/v2/{parent=projects/*}/dlpJobs"
@@ -255,6 +303,8 @@ service DlpService {
   }
 
   // Gets the latest state of a long-running DlpJob.
+  // See https://cloud.google.com/dlp/docs/inspecting-storage and
+  // https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
   rpc GetDlpJob(GetDlpJobRequest) returns (DlpJob) {
     option (google.api.http) = {
       get: "/v2/{name=projects/*/dlpJobs/*}"
@@ -264,6 +314,8 @@ service DlpService {
   // Deletes a long-running DlpJob. This method indicates that the client is
   // no longer interested in the DlpJob result. The job will be cancelled if
   // possible.
+  // See https://cloud.google.com/dlp/docs/inspecting-storage and
+  // https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
   rpc DeleteDlpJob(DeleteDlpJobRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v2/{name=projects/*/dlpJobs/*}"
@@ -273,6 +325,8 @@ service DlpService {
   // Starts asynchronous cancellation on a long-running DlpJob. The server
   // makes a best effort to cancel the DlpJob, but success is not
   // guaranteed.
+  // See https://cloud.google.com/dlp/docs/inspecting-storage and
+  // https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
   rpc CancelDlpJob(CancelDlpJobRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/v2/{name=projects/*/dlpJobs/*}:cancel"
@@ -315,11 +369,17 @@ message InspectConfig {
   }
 
   // Restricts what info_types to look for. The values must correspond to
-  // InfoType values returned by ListInfoTypes or found in documentation.
+  // InfoType values returned by ListInfoTypes or listed at
+  // https://cloud.google.com/dlp/docs/infotypes-reference.
+  //
+  // When no InfoTypes or CustomInfoTypes are specified in a request, the
+  // system may automatically choose what detectors to run. By default this may
+  // be all types, but may change over time as detectors are updated.
   repeated InfoType info_types = 1;
 
   // Only returns findings equal or above this threshold. The default is
   // POSSIBLE.
+  // See https://cloud.google.com/dlp/docs/likelihood to learn more.
   Likelihood min_likelihood = 2;
 
   FindingLimits limits = 3;
@@ -331,7 +391,8 @@ message InspectConfig {
   // When true, excludes type information of the findings.
   bool exclude_info_types = 5;
 
-  // Custom infoTypes provided by the user.
+  // CustomInfoTypes provided by the user. See
+  // https://cloud.google.com/dlp/docs/creating-custom-infotypes to learn more.
   repeated CustomInfoType custom_info_types = 6;
 
   // List of options defining data content to scan.
@@ -371,7 +432,9 @@ message ContentItem {
     // String data to inspect or redact.
     string value = 3;
 
-    // Structured content for inspection.
+    // Structured content for inspection. See
+    // https://cloud.google.com/dlp/docs/inspecting-text#inspecting_a_table to
+    // learn more.
     Table table = 4;
 
     // Content data to inspect or redact. Replaces `type` and `data`.
@@ -380,6 +443,8 @@ message ContentItem {
 }
 
 // Structured content to inspect. Up to 50,000 `Value`s per request allowed.
+// See https://cloud.google.com/dlp/docs/inspecting-text#inspecting_a_table to
+// learn more.
 message Table {
   message Row {
     repeated Value values = 1;
@@ -408,16 +473,16 @@ message InspectResult {
 message Finding {
   // The content that was found. Even if the content is not textual, it
   // may be converted to a textual representation here.
-  // Provided if requested by the `InspectConfig` and the finding is
+  // Provided if `include_quote` is true and the finding is
   // less than or equal to 4096 bytes long. If the finding exceeds 4096 bytes
   // in length, the quote may be omitted.
   string quote = 1;
 
   // The type of content that might have been found.
-  // Provided if requested by the `InspectConfig`.
+  // Provided if `excluded_types` is false.
   InfoType info_type = 2;
 
-  // Estimate of how likely it is that the `info_type` is correct.
+  // Confidence of how likely it is that the `info_type` is correct.
   Likelihood likelihood = 3;
 
   // Where the content was found.
@@ -537,8 +602,8 @@ message BoundingBox {
   int32 height = 4;
 }
 
-// Request to search for potentially sensitive info in a list of items
-// and replace it with a default or provided content.
+// Request to search for potentially sensitive info in an image and redact it
+// by covering it with a colored rectangle.
 message RedactImageRequest {
   // Configuration for determining how redaction of images should occur.
   message ImageRedactionConfig {
@@ -551,7 +616,7 @@ message RedactImageRequest {
       InfoType info_type = 1;
 
       // If true, all text found in the image, regardless whether it matches an
-      // info_type, is redacted.
+      // info_type, is redacted. Only one should be provided.
       bool redact_all_text = 2;
     }
 
@@ -569,6 +634,10 @@ message RedactImageRequest {
   // The configuration for specifying what content to redact from images.
   repeated ImageRedactionConfig image_redaction_configs = 5;
 
+  // Whether the response should include findings along with the redacted
+  // image.
+  bool include_findings = 6;
+
   // The content must be PNG, JPEG, SVG or BMP.
   ByteContentItem byte_item = 7;
 }
@@ -594,6 +663,9 @@ message RedactImageResponse {
   // set to true, then this field will include all text, if any, that was found
   // in the image.
   string extracted_text = 2;
+
+  // The findings. Populated when include_findings in the request is true.
+  InspectResult inspect_result = 3;
 }
 
 // Request to de-identify a list of items.
@@ -736,18 +808,27 @@ message OutputStorageConfig {
 
   oneof type {
     // Store findings in an existing table or a new table in an existing
-    // dataset. Each column in an existing table must have the same name, type,
-    // and mode of a field in the `Finding` object. If table_id is not set a new
-    // one will be generated for you with the following format:
+    // dataset. If table_id is not set a new one will be generated
+    // for you with the following format:
     // dlp_googleapis_yyyy_mm_dd_[dlp_job_id]. Pacific timezone will be used for
     // generating the date details.
+    //
+    // For Inspect, each column in an existing output table must have the same
+    // name, type, and mode of a field in the `Finding` object.
+    //
+    // For Risk, an existing output table should be the output of a previous
+    // Risk analysis job run on the same source table, with the same privacy
+    // metric and quasi-identifiers. Risk jobs that analyze the same table but
+    // compute a different privacy metric, or use different sets of
+    // quasi-identifiers, cannot store their results in the same table.
     BigQueryTable table = 1;
   }
 
-  // Schema used for writing the findings. Columns are derived from the
-  // `Finding` object. If appending to an existing table, any columns from the
-  // predefined schema that are missing will be added. No columns in the
-  // existing table will be deleted.
+  // Schema used for writing the findings for Inspect jobs. This field is only
+  // used for Inspect and must be unspecified for Risk jobs. Columns are derived
+  // from the `Finding` object. If appending to an existing table, any columns
+  // from the predefined schema that are missing will be added. No columns in
+  // the existing table will be deleted.
   //
   // If unspecified, then all available columns will be used for a new table,
   // and no changes will be made to an existing table.
@@ -822,7 +903,8 @@ message ListInfoTypesResponse {
   repeated InfoTypeDescription info_types = 1;
 }
 
-// Configuration for a risk analysis job.
+// Configuration for a risk analysis job. See
+// https://cloud.google.com/dlp/docs/concepts-risk-analysis to learn more.
 message RiskAnalysisJobConfig {
   // Privacy metric to compute.
   PrivacyMetric privacy_metric = 1;
@@ -835,6 +917,61 @@ message RiskAnalysisJobConfig {
   repeated Action actions = 3;
 }
 
+// A column with a semantic tag attached.
+message QuasiId {
+  // Identifies the column. [required]
+  FieldId field = 1;
+
+  // Semantic tag that identifies what a column contains, to determine which
+  // statistical model to use to estimate the reidentifiability of each
+  // value. [required]
+  oneof tag {
+    // A column can be tagged with a InfoType to use the relevant public
+    // dataset as a statistical model of population, if available. We
+    // currently support US ZIP codes, region codes, ages and genders.
+    // To programmatically obtain the list of supported InfoTypes, use
+    // ListInfoTypes with the supported_by=RISK_ANALYSIS filter.
+    InfoType info_type = 2;
+
+    // A column can be tagged with a custom tag. In this case, the user must
+    // indicate an auxiliary table that contains statistical information on
+    // the possible values of this column (below).
+    string custom_tag = 3;
+
+    // If no semantic tag is indicated, we infer the statistical model from
+    // the distribution of values in the input data
+    google.protobuf.Empty inferred = 4;
+  }
+}
+
+// An auxiliary table containing statistical information on the relative
+// frequency of different quasi-identifiers values. It has one or several
+// quasi-identifiers columns, and one column that indicates the relative
+// frequency of each quasi-identifier tuple.
+// If a tuple is present in the data but not in the auxiliary table, the
+// corresponding relative frequency is assumed to be zero (and thus, the
+// tuple is highly reidentifiable).
+message StatisticalTable {
+  // A quasi-identifier column has a custom_tag, used to know which column
+  // in the data corresponds to which column in the statistical model.
+  message QuasiIdentifierField {
+    FieldId field = 1;
+
+    string custom_tag = 2;
+  }
+
+  // Auxiliary table location. [required]
+  BigQueryTable table = 3;
+
+  // Quasi-identifier columns. [required]
+  repeated QuasiIdentifierField quasi_ids = 1;
+
+  // The relative frequency column must contain a floating-point number
+  // between 0 and 1 (inclusive). Null values are assumed to be zero.
+  // [required]
+  FieldId relative_frequency = 2;
+}
+
 // Privacy metric to compute for reidentification risk analysis.
 message PrivacyMetric {
   // Compute numerical stats over an individual column, including
@@ -894,8 +1031,8 @@ message PrivacyMetric {
   // using publicly available data (like the US Census), or using a custom
   // statistical model (indicated as one or several BigQuery tables), or by
   // extrapolating from the distribution of values in the input dataset.
+  // A column with a semantic tag attached.
   message KMapEstimationConfig {
-    // A column with a semantic tag attached.
     message TaggedField {
       // Identifies the column. [required]
       FieldId field = 1;
@@ -965,6 +1102,26 @@ message PrivacyMetric {
     repeated AuxiliaryTable auxiliary_tables = 3;
   }
 
+  // δ-presence metric, used to estimate how likely it is for an attacker to
+  // figure out that one given individual appears in a de-identified dataset.
+  // Similarly to the k-map metric, we cannot compute δ-presence exactly without
+  // knowing the attack dataset, so we use a statistical model instead.
+  message DeltaPresenceEstimationConfig {
+    // Fields considered to be quasi-identifiers. No two fields can have the
+    // same tag. [required]
+    repeated QuasiId quasi_ids = 1;
+
+    // ISO 3166-1 alpha-2 region code to use in the statistical modeling.
+    // Required if no column is tagged with a region-specific InfoType (like
+    // US_ZIP_5) or a region code.
+    string region_code = 2;
+
+    // Several auxiliary tables can be used in the analysis. Each custom_tag
+    // used to tag a quasi-identifiers field must appear in exactly one
+    // field of one auxiliary table.
+    repeated StatisticalTable auxiliary_tables = 3;
+  }
+
   oneof type {
     NumericalStatsConfig numerical_stats_config = 1;
 
@@ -975,6 +1132,8 @@ message PrivacyMetric {
     LDiversityConfig l_diversity_config = 4;
 
     KMapEstimationConfig k_map_estimation_config = 5;
+
+    DeltaPresenceEstimationConfig delta_presence_estimation_config = 6;
   }
 }
 
@@ -1144,6 +1303,63 @@ message AnalyzeDataSourceRiskDetails {
     repeated KMapEstimationHistogramBucket k_map_estimation_histogram = 1;
   }
 
+  // Result of the δ-presence computation. Note that these results are an
+  // estimation, not exact values.
+  message DeltaPresenceEstimationResult {
+    // A tuple of values for the quasi-identifier columns.
+    message DeltaPresenceEstimationQuasiIdValues {
+      // The quasi-identifier values.
+      repeated Value quasi_ids_values = 1;
+
+      // The estimated probability that a given individual sharing these
+      // quasi-identifier values is in the dataset. This value, typically called
+      // δ, is the ratio between the number of records in the dataset with these
+      // quasi-identifier values, and the total number of individuals (inside
+      // *and* outside the dataset) with these quasi-identifier values.
+      // For example, if there are 15 individuals in the dataset who share the
+      // same quasi-identifier values, and an estimated 100 people in the entire
+      // population with these values, then δ is 0.15.
+      double estimated_probability = 2;
+    }
+
+    // A DeltaPresenceEstimationHistogramBucket message with the following
+    // values:
+    //   min_probability: 0.1
+    //   max_probability: 0.2
+    //   frequency: 42
+    // means that there are 42 records for which δ is in [0.1, 0.2). An
+    // important particular case is when min_probability = max_probability = 1:
+    // then, every individual who shares this quasi-identifier combination is in
+    // the dataset.
+    message DeltaPresenceEstimationHistogramBucket {
+      // Between 0 and 1.
+      double min_probability = 1;
+
+      // Always greater than or equal to min_probability.
+      double max_probability = 2;
+
+      // Number of records within these probability bounds.
+      int64 bucket_size = 5;
+
+      // Sample of quasi-identifier tuple values in this bucket. The total
+      // number of classes returned per bucket is capped at 20.
+      repeated DeltaPresenceEstimationQuasiIdValues bucket_values = 6;
+
+      // Total number of distinct quasi-identifier tuple values in this bucket.
+      int64 bucket_value_count = 7;
+    }
+
+    // The intervals [min_probability, max_probability) do not overlap. If a
+    // value doesn't correspond to any such interval, the associated frequency
+    // is zero. For example, the following records:
+    //   {min_probability: 0, max_probability: 0.1, frequency: 17}
+    //   {min_probability: 0.2, max_probability: 0.3, frequency: 42}
+    //   {min_probability: 0.3, max_probability: 0.4, frequency: 99}
+    // mean that there are no record with an estimated probability in [0.1, 0.2)
+    // nor larger or equal to 0.4.
+    repeated DeltaPresenceEstimationHistogramBucket delta_presence_estimation_histogram = 1;
+  }
+
   // Privacy metric to compute.
   PrivacyMetric requested_privacy_metric = 1;
 
@@ -1161,6 +1377,8 @@ message AnalyzeDataSourceRiskDetails {
     LDiversityResult l_diversity_result = 6;
 
     KMapEstimationResult k_map_estimation_result = 7;
+
+    DeltaPresenceEstimationResult delta_presence_estimation_result = 9;
   }
 }
 
@@ -1395,6 +1613,8 @@ message CharacterMaskConfig {
 // If the bound Value type differs from the type of data
 // being transformed, we will first attempt converting the type of the data to
 // be transformed to match the type of the bound before comparing.
+//
+// See https://cloud.google.com/dlp/docs/concepts-bucketing to learn more.
 message FixedSizeBucketingConfig {
   // Lower bound value of buckets. All values less than `lower_bound` are
   // grouped together into a single bucket; for example if `lower_bound` = 10,
@@ -1422,6 +1642,7 @@ message FixedSizeBucketingConfig {
 // If the bound `Value` type differs from the type of data being transformed, we
 // will first attempt converting the type of the data to be transformed to match
 // the type of the bound before comparing.
+// See https://cloud.google.com/dlp/docs/concepts-bucketing to learn more.
 message BucketingConfig {
   // Bucket is represented as a range, along with replacement values.
   message Bucket {
@@ -1450,7 +1671,7 @@ message BucketingConfig {
 // replaced with the same surrogate.
 // Identifiers must be at least two characters long.
 // In the case that the identifier is the empty string, it will be skipped.
-// See [Pseudonymization](/dlp/docs/pseudonymization) for example usage.
+// See https://cloud.google.com/dlp/docs/pseudonymization to learn more.
 message CryptoReplaceFfxFpeConfig {
   // These are commonly used subsets of the alphabet that the FFX mode
   // natively supports. In the algorithm, the alphabet is selected using
@@ -1493,8 +1714,7 @@ message CryptoReplaceFfxFpeConfig {
   // such that:
   //
   // - a 64 bit integer is encoded followed by a single byte of value 1
-  // - a string is encoded in UTF-8 format followed by a single byte of value
-  //  å 2
+  // - a string is encoded in UTF-8 format followed by a single byte of value 2
   FieldId context = 2;
 
   oneof alphabet {
@@ -1588,7 +1808,8 @@ message KmsWrappedCryptoKey {
 }
 
 // Shifts dates by random number of days, with option to be consistent for the
-// same context.
+// same context. See https://cloud.google.com/dlp/docs/concepts-date-shifting
+// to learn more.
 message DateShiftConfig {
   // Range of shift in days. Actual shift will be selected at random within this
   // range (inclusive ends). Negative means shift to earlier in time. Must not
@@ -1624,8 +1845,9 @@ message InfoTypeTransformations {
   // A transformation to apply to text that is identified as a specific
   // info_type.
   message InfoTypeTransformation {
-    // InfoTypes to apply the transformation to. Empty list will match all
-    // available infoTypes for this transformation.
+    // InfoTypes to apply the transformation to. An empty list will cause
+    // this transformation to apply to all findings that correspond to
+    // infoTypes that were requested in `InspectConfig`.
     repeated InfoType info_types = 1;
 
     // Primitive transformation to apply to the infoType. [required]
@@ -1802,20 +2024,21 @@ message TransformationSummary {
 message Schedule {
   oneof option {
     // With this option a job is started a regular periodic basis. For
-    // example: every 10 minutes.
+    // example: every day (86400 seconds).
     //
     // A scheduled start time will be skipped if the previous
     // execution has not ended when its scheduled time occurs.
     //
     // This value must be set to a time duration greater than or equal
-    // to 60 minutes and can be no longer than 60 days.
+    // to 1 day and can be no longer than 60 days.
     google.protobuf.Duration recurrence_period_duration = 1;
   }
 }
 
 // The inspectTemplate contains a configuration (set of types of sensitive data
 // to be detected) to be used anywhere you otherwise would normally specify
-// InspectConfig.
+// InspectConfig. See https://cloud.google.com/dlp/docs/concepts-templates
+// to learn more.
 message InspectTemplate {
   // The template name. Output only.
   //
@@ -1841,6 +2064,7 @@ message InspectTemplate {
 }
 
 // The DeidentifyTemplates contains instructions on how to deidentify content.
+// See https://cloud.google.com/dlp/docs/concepts-templates to learn more.
 message DeidentifyTemplate {
   // The template name. Output only.
   //
@@ -1876,6 +2100,7 @@ message Error {
 }
 
 // Contains a configuration to make dlp api calls on a repeating basis.
+// See https://cloud.google.com/dlp/docs/concepts-job-triggers to learn more.
 message JobTrigger {
   // What event needs to occur for a new job to be started.
   message Trigger {
@@ -1943,11 +2168,12 @@ message JobTrigger {
 }
 
 // A task to execute on the completion of a job.
+// See https://cloud.google.com/dlp/docs/concepts-actions to learn more.
 message Action {
   // If set, the detailed findings will be persisted to the specified
   // OutputStorageConfig. Only a single instance of this action can be
   // specified.
-  // Compatible with: Inspect
+  // Compatible with: Inspect, Risk
   message SaveFindings {
     OutputStorageConfig output_config = 1;
   }
@@ -2117,30 +2343,29 @@ message CreateDlpJobRequest {
 
 // Request message for ListJobTriggers.
 message ListJobTriggersRequest {
-  // The parent resource name, for example projects/my-project-id.
+  // The parent resource name, for example `projects/my-project-id`.
   string parent = 1;
 
   // Optional page token to continue retrieval. Comes from previous call
-  // to ListJobTriggers. `order_by` and `filter` should not change for
-  // subsequent calls, but can be omitted if token is specified.
+  // to ListJobTriggers. `order_by` field must not
+  // change for subsequent calls.
   string page_token = 2;
 
   // Optional size of the page, can be limited by a server.
   int32 page_size = 3;
 
   // Optional comma separated list of triggeredJob fields to order by,
-  // followed by 'asc/desc' postfix, i.e.
-  // `"create_time asc,name desc,schedule_mode asc"`. This list is
-  // case-insensitive.
+  // followed by `asc` or `desc` postfix. This list is case-insensitive,
+  // default sorting order is ascending, redundant space characters are
+  // insignificant.
   //
-  // Example: `"name asc,schedule_mode desc, status desc"`
+  // Example: `name asc,update_time, create_time desc`
   //
-  // Supported filters keys and values are:
+  // Supported fields are:
   //
   // - `create_time`: corresponds to time the triggeredJob was created.
   // - `update_time`: corresponds to time the triggeredJob was last updated.
-  // - `name`: corresponds to JobTrigger's display name.
-  // - `status`: corresponds to the triggeredJob status.
+  // - `name`: corresponds to JobTrigger's name.
   string order_by = 4;
 }
 
diff --git a/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/storage.proto b/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/storage.proto
index 28d3c6e4d07..5c2ca5031a4 100644
--- a/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/storage.proto
+++ b/packages/google-privacy-dlp/protos/google/privacy/dlp/v2/storage.proto
@@ -29,7 +29,10 @@ option php_namespace = "Google\\Cloud\\Dlp\\V2";
 
 // Type of information detected by the API.
 message InfoType {
-  // Name of the information type.
+  // Name of the information type. Either a name of your choosing when
+  // creating a CustomInfoType, or one of the names listed
+  // at https://cloud.google.com/dlp/docs/infotypes-reference when specifying
+  // a built-in type.
   string name = 1;
 }
 
@@ -86,13 +89,13 @@ message CustomInfoType {
   // These types of transformations are
   // those that perform pseudonymization, thereby producing a "surrogate" as
   // output. This should be used in conjunction with a field on the
-  // transformation such as `surrogate_info_type`. This custom info type does
+  // transformation such as `surrogate_info_type`. This CustomInfoType does
   // not support the use of `detection_rules`.
   message SurrogateType {
 
   }
 
-  // Rule for modifying a custom info type to alter behavior under certain
+  // Rule for modifying a CustomInfoType to alter behavior under certain
   // circumstances, depending on the specific details of the rule. Not supported
   // for the `surrogate_type` custom info type.
   message DetectionRule {
@@ -125,10 +128,10 @@ message CustomInfoType {
       }
     }
 
-    // Detection rule that adjusts the likelihood of findings within a certain
+    // The rule that adjusts the likelihood of findings within a certain
     // proximity of hotwords.
     message HotwordRule {
-      // Regex pattern defining what qualifies as a hotword.
+      // Regular expression pattern defining what qualifies as a hotword.
       Regex hotword_regex = 1;
 
       // Proximity of the finding within which the entire hotword must reside.
@@ -151,29 +154,30 @@ message CustomInfoType {
     }
   }
 
-  // Info type configuration. All custom info types must have configurations
-  // that do not conflict with built-in info types or other custom info types.
+  // All CustomInfoTypes must have a name
+  // that does not conflict with built-in InfoTypes or other CustomInfoTypes.
   InfoType info_type = 1;
 
-  // Likelihood to return for this custom info type. This base value can be
+  // Likelihood to return for this CustomInfoType. This base value can be
   // altered by a detection rule if the finding meets the criteria specified by
   // the rule. Defaults to `VERY_LIKELY` if not specified.
   Likelihood likelihood = 6;
 
   oneof type {
-    // Dictionary-based custom info type.
+    // A list of phrases to detect as a CustomInfoType.
     Dictionary dictionary = 2;
 
-    // Regex-based custom info type.
+    // Regular expression based CustomInfoType.
     Regex regex = 3;
 
-    // Surrogate info type.
+    // Message for detecting output from deidentification transformations that
+    // support reversing.
     SurrogateType surrogate_type = 4;
   }
 
-  // Set of detection rules to apply to all findings of this custom info type.
+  // Set of detection rules to apply to all findings of this CustomInfoType.
   // Rules are applied in order that they are specified. Not supported for the
-  // `surrogate_type` custom info type.
+  // `surrogate_type` CustomInfoType.
   repeated DetectionRule detection_rules = 7;
 }
 
@@ -223,6 +227,20 @@ message CloudStorageOptions {
     string url = 1;
   }
 
+  // How to sample bytes if not all bytes are scanned. Meaningful only when used
+  // in conjunction with bytes_limit_per_file. If not specified, scanning would
+  // start from the top.
+  enum SampleMethod {
+    SAMPLE_METHOD_UNSPECIFIED = 0;
+
+    // Scan from the top (default).
+    TOP = 1;
+
+    // For each file larger than bytes_limit_per_file, randomly pick the offset
+    // to start scanning. The scanned bytes are contiguous.
+    RANDOM_START = 2;
+  }
+
   FileSet file_set = 1;
 
   // Max number of bytes to scan from a file. If a scanned file's size is bigger
@@ -233,9 +251,16 @@ message CloudStorageOptions {
   // If empty, all files are scanned and available data format processors
   // are applied.
   repeated FileType file_types = 5;
+
+  SampleMethod sample_method = 6;
+
+  // Limits the number of files to scan to this percentage of the input FileSet.
+  // Number of files scanned is rounded down. Must be between 0 and 100,
+  // inclusively. Both 0 and 100 means no limit. Defaults to 0.
+  int32 files_limit_percent = 7;
 }
 
-// Message representing a path in Cloud Storage.
+// Message representing a single file or path in Cloud Storage.
 message CloudStoragePath {
   // A url representing a file or path (no wildcards) in Cloud Storage.
   // Example: gs://[BUCKET_NAME]/dictionary.txt
@@ -244,6 +269,19 @@ message CloudStoragePath {
 
 // Options defining BigQuery table and row identifiers.
 message BigQueryOptions {
+  // How to sample rows if not all rows are scanned. Meaningful only when used
+  // in conjunction with rows_limit. If not specified, scanning would start
+  // from the top.
+  enum SampleMethod {
+    SAMPLE_METHOD_UNSPECIFIED = 0;
+
+    // Scan from the top (default).
+    TOP = 1;
+
+    // Randomly pick the row to start scanning. The scanned rows are contiguous.
+    RANDOM_START = 2;
+  }
+
   // Complete BigQuery table reference.
   BigQueryTable table_reference = 1;
 
@@ -255,6 +293,8 @@ message BigQueryOptions {
   // rest of the rows are omitted. If not set, or if set to 0, all rows will be
   // scanned. Cannot be used in conjunction with TimespanConfig.
   int64 rows_limit = 3;
+
+  SampleMethod sample_method = 4;
 }
 
 // Shared message indicating Cloud storage type.
@@ -402,7 +442,7 @@ message EntityId {
 // Categorization of results based on how likely they are to represent a match,
 // based on the number of elements they contain which imply a match.
 enum Likelihood {
-  // Default value; information with all likelihoods is included.
+  // Default value; same as POSSIBLE.
   LIKELIHOOD_UNSPECIFIED = 0;
 
   // Few matching elements.
diff --git a/packages/google-privacy-dlp/src/index.js b/packages/google-privacy-dlp/src/index.js
index 5fabfc4f64a..6118196830c 100644
--- a/packages/google-privacy-dlp/src/index.js
+++ b/packages/google-privacy-dlp/src/index.js
@@ -1,10 +1,10 @@
-// Copyright 2017, Google LLC All rights reserved.
+// Copyright 2018 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+//     https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/packages/google-privacy-dlp/src/v2/dlp_service_client.js b/packages/google-privacy-dlp/src/v2/dlp_service_client.js
index 1f17c48aca8..43da8e699e6 100644
--- a/packages/google-privacy-dlp/src/v2/dlp_service_client.js
+++ b/packages/google-privacy-dlp/src/v2/dlp_service_client.js
@@ -29,6 +29,9 @@ const VERSION = require('../../package.json').version;
  * The service also includes methods for sensitive data redaction and
  * scheduling of data scans on Google Cloud Platform based data sets.
  *
+ * To learn more about concepts and find how-to guides see
+ * https://cloud.google.com/dlp/docs/.
+ *
  * @class
  * @memberof v2
  */
@@ -76,14 +79,14 @@ class DlpServiceClient {
     // Create a `gaxGrpc` object, with any grpc-specific options
     // sent to the client.
     opts.scopes = this.constructor.scopes;
-    var gaxGrpc = gax.grpc(opts);
+    var gaxGrpc = new gax.GrpcClient(opts);
 
     // Save the auth object to the client, for use by other methods.
     this.auth = gaxGrpc.auth;
 
     // Determine the client header string.
     var clientHeader = [
-      `gl-node/${process.version.node}`,
+      `gl-node/${process.version}`,
       `grpc/${gaxGrpc.grpcVersion}`,
       `gax/${gax.version}`,
       `gapic/${VERSION}`,
@@ -253,8 +256,13 @@ class DlpServiceClient {
   /**
    * Finds potentially sensitive info in content.
    * This method has limits on input size, processing time, and output size.
-   * [How-to guide for text](https://cloud.google.com/dlp/docs/inspecting-text), [How-to guide for
-   * images](https://cloud.google.com/dlp/docs/inspecting-images)
+   *
+   * When no InfoTypes or CustomInfoTypes are specified in this request, the
+   * system will automatically choose what detectors to run. By default this may
+   * be all types, but may change over time as detectors are updated.
+   *
+   * For how to guides, see https://cloud.google.com/dlp/docs/inspecting-images
+   * and https://cloud.google.com/dlp/docs/inspecting-text,
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -317,7 +325,12 @@ class DlpServiceClient {
   /**
    * Redacts potentially sensitive info from an image.
    * This method has limits on input size, processing time, and output size.
-   * [How-to guide](https://cloud.google.com/dlp/docs/redacting-sensitive-data-images)
+   * See https://cloud.google.com/dlp/docs/redacting-sensitive-data-images to
+   * learn more.
+   *
+   * When no InfoTypes or CustomInfoTypes are specified in this request, the
+   * system will automatically choose what detectors to run. By default this may
+   * be all types, but may change over time as detectors are updated.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -331,6 +344,9 @@ class DlpServiceClient {
    *   The configuration for specifying what content to redact from images.
    *
    *   This object should have the same structure as [ImageRedactionConfig]{@link google.privacy.dlp.v2.ImageRedactionConfig}
+   * @param {boolean} [request.includeFindings]
+   *   Whether the response should include findings along with the redacted
+   *   image.
    * @param {Object} [request.byteItem]
    *   The content must be PNG, JPEG, SVG or BMP.
    *
@@ -377,7 +393,12 @@ class DlpServiceClient {
   /**
    * De-identifies potentially sensitive info from a ContentItem.
    * This method has limits on input size and output size.
-   * [How-to guide](https://cloud.google.com/dlp/docs/deidentify-sensitive-data)
+   * See https://cloud.google.com/dlp/docs/deidentify-sensitive-data to
+   * learn more.
+   *
+   * When no InfoTypes or CustomInfoTypes are specified in this request, the
+   * system will automatically choose what detectors to run. By default this may
+   * be all types, but may change over time as detectors are updated.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -452,6 +473,9 @@ class DlpServiceClient {
 
   /**
    * Re-identifies content that has been de-identified.
+   * See
+   * https://cloud.google.com/dlp/docs/pseudonymization#re-identification_in_free_text_code_example
+   * to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -531,8 +555,8 @@ class DlpServiceClient {
 
   /**
    * Returns a list of the sensitive information types that the DLP API
-   * supports. For more information, see [Listing supported predefined
-   * infoTypes](https://cloud.google.com/dlp/docs/listing-infotypes).
+   * supports. See https://cloud.google.com/dlp/docs/infotypes-reference to
+   * learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -585,6 +609,7 @@ class DlpServiceClient {
   /**
    * Creates an InspectTemplate for re-using frequently used configuration
    * for inspecting content, images, and storage.
+   * See https://cloud.google.com/dlp/docs/creating-templates to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -645,6 +670,7 @@ class DlpServiceClient {
 
   /**
    * Updates the InspectTemplate.
+   * See https://cloud.google.com/dlp/docs/creating-templates to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -705,6 +731,7 @@ class DlpServiceClient {
 
   /**
    * Gets an InspectTemplate.
+   * See https://cloud.google.com/dlp/docs/creating-templates to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -753,6 +780,7 @@ class DlpServiceClient {
 
   /**
    * Lists InspectTemplates.
+   * See https://cloud.google.com/dlp/docs/creating-templates to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -904,6 +932,7 @@ class DlpServiceClient {
 
   /**
    * Deletes an InspectTemplate.
+   * See https://cloud.google.com/dlp/docs/creating-templates to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -949,6 +978,8 @@ class DlpServiceClient {
   /**
    * Creates a DeidentifyTemplate for re-using frequently used configuration
    * for de-identifying content, images, and storage.
+   * See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+   * more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1009,6 +1040,8 @@ class DlpServiceClient {
 
   /**
    * Updates the DeidentifyTemplate.
+   * See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+   * more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1069,6 +1102,8 @@ class DlpServiceClient {
 
   /**
    * Gets a DeidentifyTemplate.
+   * See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+   * more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1121,6 +1156,8 @@ class DlpServiceClient {
 
   /**
    * Lists DeidentifyTemplates.
+   * See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+   * more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1276,6 +1313,8 @@ class DlpServiceClient {
 
   /**
    * Deletes a DeidentifyTemplate.
+   * See https://cloud.google.com/dlp/docs/creating-templates-deid to learn
+   * more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1320,7 +1359,12 @@ class DlpServiceClient {
 
   /**
    * Creates a new job to inspect storage or calculate risk metrics.
-   * [How-to guide](https://cloud.google.com/dlp/docs/compute-risk-analysis).
+   * See https://cloud.google.com/dlp/docs/inspecting-storage and
+   * https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
+   *
+   * When no InfoTypes or CustomInfoTypes are specified in inspect jobs, the
+   * system will automatically choose what detectors to run. By default this may
+   * be all types, but may change over time as detectors are updated.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1376,6 +1420,8 @@ class DlpServiceClient {
 
   /**
    * Lists DlpJobs that match the specified filter in the request.
+   * See https://cloud.google.com/dlp/docs/inspecting-storage and
+   * https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1581,6 +1627,8 @@ class DlpServiceClient {
 
   /**
    * Gets the latest state of a long-running DlpJob.
+   * See https://cloud.google.com/dlp/docs/inspecting-storage and
+   * https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1629,6 +1677,8 @@ class DlpServiceClient {
    * Deletes a long-running DlpJob. This method indicates that the client is
    * no longer interested in the DlpJob result. The job will be cancelled if
    * possible.
+   * See https://cloud.google.com/dlp/docs/inspecting-storage and
+   * https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1669,6 +1719,8 @@ class DlpServiceClient {
    * Starts asynchronous cancellation on a long-running DlpJob. The server
    * makes a best effort to cancel the DlpJob, but success is not
    * guaranteed.
+   * See https://cloud.google.com/dlp/docs/inspecting-storage and
+   * https://cloud.google.com/dlp/docs/compute-risk-analysis to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1707,11 +1759,12 @@ class DlpServiceClient {
 
   /**
    * Lists job triggers.
+   * See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
    * @param {string} request.parent
-   *   The parent resource name, for example projects/my-project-id.
+   *   The parent resource name, for example `projects/my-project-id`.
    * @param {number} [request.pageSize]
    *   The maximum number of resources contained in the underlying API
    *   response. If page streaming is performed per-resource, this
@@ -1720,18 +1773,17 @@ class DlpServiceClient {
    *   resources in a page.
    * @param {string} [request.orderBy]
    *   Optional comma separated list of triggeredJob fields to order by,
-   *   followed by 'asc/desc' postfix, i.e.
-   *   `"create_time asc,name desc,schedule_mode asc"`. This list is
-   *   case-insensitive.
+   *   followed by `asc` or `desc` postfix. This list is case-insensitive,
+   *   default sorting order is ascending, redundant space characters are
+   *   insignificant.
    *
-   *   Example: `"name asc,schedule_mode desc, status desc"`
+   *   Example: `name asc,update_time, create_time desc`
    *
-   *   Supported filters keys and values are:
+   *   Supported fields are:
    *
    *   - `create_time`: corresponds to time the triggeredJob was created.
    *   - `update_time`: corresponds to time the triggeredJob was last updated.
-   *   - `name`: corresponds to JobTrigger's display name.
-   *   - `status`: corresponds to the triggeredJob status.
+   *   - `name`: corresponds to JobTrigger's name.
    * @param {Object} [options]
    *   Optional parameters. You can override the default settings for this call, e.g, timeout,
    *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/global.html#CallOptions} for the details.
@@ -1829,7 +1881,7 @@ class DlpServiceClient {
    * @param {Object} request
    *   The request object that will be sent.
    * @param {string} request.parent
-   *   The parent resource name, for example projects/my-project-id.
+   *   The parent resource name, for example `projects/my-project-id`.
    * @param {number} [request.pageSize]
    *   The maximum number of resources contained in the underlying API
    *   response. If page streaming is performed per-resource, this
@@ -1838,18 +1890,17 @@ class DlpServiceClient {
    *   resources in a page.
    * @param {string} [request.orderBy]
    *   Optional comma separated list of triggeredJob fields to order by,
-   *   followed by 'asc/desc' postfix, i.e.
-   *   `"create_time asc,name desc,schedule_mode asc"`. This list is
-   *   case-insensitive.
+   *   followed by `asc` or `desc` postfix. This list is case-insensitive,
+   *   default sorting order is ascending, redundant space characters are
+   *   insignificant.
    *
-   *   Example: `"name asc,schedule_mode desc, status desc"`
+   *   Example: `name asc,update_time, create_time desc`
    *
-   *   Supported filters keys and values are:
+   *   Supported fields are:
    *
    *   - `create_time`: corresponds to time the triggeredJob was created.
    *   - `update_time`: corresponds to time the triggeredJob was last updated.
-   *   - `name`: corresponds to JobTrigger's display name.
-   *   - `status`: corresponds to the triggeredJob status.
+   *   - `name`: corresponds to JobTrigger's name.
    * @param {Object} [options]
    *   Optional parameters. You can override the default settings for this call, e.g, timeout,
    *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/global.html#CallOptions} for the details.
@@ -1884,6 +1935,7 @@ class DlpServiceClient {
 
   /**
    * Gets a job trigger.
+   * See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1931,6 +1983,7 @@ class DlpServiceClient {
 
   /**
    * Deletes a job trigger.
+   * See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1970,6 +2023,7 @@ class DlpServiceClient {
 
   /**
    * Updates a job trigger.
+   * See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -2026,6 +2080,7 @@ class DlpServiceClient {
   /**
    * Creates a job trigger to run DLP actions such as scanning storage for
    * sensitive information on a set schedule.
+   * See https://cloud.google.com/dlp/docs/creating-job-triggers to learn more.
    *
    * @param {Object} request
    *   The request object that will be sent.
diff --git a/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_dlp.js b/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_dlp.js
index 06b8a281107..f3bb1e86552 100644
--- a/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_dlp.js
+++ b/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_dlp.js
@@ -22,13 +22,19 @@
  *
  * @property {Object[]} infoTypes
  *   Restricts what info_types to look for. The values must correspond to
- *   InfoType values returned by ListInfoTypes or found in documentation.
+ *   InfoType values returned by ListInfoTypes or listed at
+ *   https://cloud.google.com/dlp/docs/infotypes-reference.
+ *
+ *   When no InfoTypes or CustomInfoTypes are specified in a request, the
+ *   system may automatically choose what detectors to run. By default this may
+ *   be all types, but may change over time as detectors are updated.
  *
  *   This object should have the same structure as [InfoType]{@link google.privacy.dlp.v2.InfoType}
  *
  * @property {number} minLikelihood
  *   Only returns findings equal or above this threshold. The default is
  *   POSSIBLE.
+ *   See https://cloud.google.com/dlp/docs/likelihood to learn more.
  *
  *   The number should be among the values of [Likelihood]{@link google.privacy.dlp.v2.Likelihood}
  *
@@ -43,7 +49,8 @@
  *   When true, excludes type information of the findings.
  *
  * @property {Object[]} customInfoTypes
- *   Custom infoTypes provided by the user.
+ *   CustomInfoTypes provided by the user. See
+ *   https://cloud.google.com/dlp/docs/creating-custom-infotypes to learn more.
  *
  *   This object should have the same structure as [CustomInfoType]{@link google.privacy.dlp.v2.CustomInfoType}
  *
@@ -149,7 +156,9 @@ var ByteContentItem = {
  *   String data to inspect or redact.
  *
  * @property {Object} table
- *   Structured content for inspection.
+ *   Structured content for inspection. See
+ *   https://cloud.google.com/dlp/docs/inspecting-text#inspecting_a_table to
+ *   learn more.
  *
  *   This object should have the same structure as [Table]{@link google.privacy.dlp.v2.Table}
  *
@@ -168,6 +177,8 @@ var ContentItem = {
 
 /**
  * Structured content to inspect. Up to 50,000 `Value`s per request allowed.
+ * See https://cloud.google.com/dlp/docs/inspecting-text#inspecting_a_table to
+ * learn more.
  *
  * @property {Object[]} headers
  *   This object should have the same structure as [FieldId]{@link google.privacy.dlp.v2.FieldId}
@@ -225,18 +236,18 @@ var InspectResult = {
  * @property {string} quote
  *   The content that was found. Even if the content is not textual, it
  *   may be converted to a textual representation here.
- *   Provided if requested by the `InspectConfig` and the finding is
+ *   Provided if `include_quote` is true and the finding is
  *   less than or equal to 4096 bytes long. If the finding exceeds 4096 bytes
  *   in length, the quote may be omitted.
  *
  * @property {Object} infoType
  *   The type of content that might have been found.
- *   Provided if requested by the `InspectConfig`.
+ *   Provided if `excluded_types` is false.
  *
  *   This object should have the same structure as [InfoType]{@link google.privacy.dlp.v2.InfoType}
  *
  * @property {number} likelihood
- *   Estimate of how likely it is that the `info_type` is correct.
+ *   Confidence of how likely it is that the `info_type` is correct.
  *
  *   The number should be among the values of [Likelihood]{@link google.privacy.dlp.v2.Likelihood}
  *
@@ -454,8 +465,8 @@ var BoundingBox = {
 };
 
 /**
- * Request to search for potentially sensitive info in a list of items
- * and replace it with a default or provided content.
+ * Request to search for potentially sensitive info in an image and redact it
+ * by covering it with a colored rectangle.
  *
  * @property {string} parent
  *   The parent resource name, for example projects/my-project-id.
@@ -470,6 +481,10 @@ var BoundingBox = {
  *
  *   This object should have the same structure as [ImageRedactionConfig]{@link google.privacy.dlp.v2.ImageRedactionConfig}
  *
+ * @property {boolean} includeFindings
+ *   Whether the response should include findings along with the redacted
+ *   image.
+ *
  * @property {Object} byteItem
  *   The content must be PNG, JPEG, SVG or BMP.
  *
@@ -495,7 +510,7 @@ var RedactImageRequest = {
    *
    * @property {boolean} redactAllText
    *   If true, all text found in the image, regardless whether it matches an
-   *   info_type, is redacted.
+   *   info_type, is redacted. Only one should be provided.
    *
    * @property {Object} redactionColor
    *   The color to use when redacting content from an image. If not specified,
@@ -543,6 +558,11 @@ var Color = {
  *   set to true, then this field will include all text, if any, that was found
  *   in the image.
  *
+ * @property {Object} inspectResult
+ *   The findings. Populated when include_findings in the request is true.
+ *
+ *   This object should have the same structure as [InspectResult]{@link google.privacy.dlp.v2.InspectResult}
+ *
  * @typedef RedactImageResponse
  * @memberof google.privacy.dlp.v2
  * @see [google.privacy.dlp.v2.RedactImageResponse definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
@@ -745,19 +765,28 @@ var InspectContentResponse = {
  *
  * @property {Object} table
  *   Store findings in an existing table or a new table in an existing
- *   dataset. Each column in an existing table must have the same name, type,
- *   and mode of a field in the `Finding` object. If table_id is not set a new
- *   one will be generated for you with the following format:
+ *   dataset. If table_id is not set a new one will be generated
+ *   for you with the following format:
  *   dlp_googleapis_yyyy_mm_dd_[dlp_job_id]. Pacific timezone will be used for
  *   generating the date details.
  *
+ *   For Inspect, each column in an existing output table must have the same
+ *   name, type, and mode of a field in the `Finding` object.
+ *
+ *   For Risk, an existing output table should be the output of a previous
+ *   Risk analysis job run on the same source table, with the same privacy
+ *   metric and quasi-identifiers. Risk jobs that analyze the same table but
+ *   compute a different privacy metric, or use different sets of
+ *   quasi-identifiers, cannot store their results in the same table.
+ *
  *   This object should have the same structure as [BigQueryTable]{@link google.privacy.dlp.v2.BigQueryTable}
  *
  * @property {number} outputSchema
- *   Schema used for writing the findings. Columns are derived from the
- *   `Finding` object. If appending to an existing table, any columns from the
- *   predefined schema that are missing will be added. No columns in the
- *   existing table will be deleted.
+ *   Schema used for writing the findings for Inspect jobs. This field is only
+ *   used for Inspect and must be unspecified for Risk jobs. Columns are derived
+ *   from the `Finding` object. If appending to an existing table, any columns
+ *   from the predefined schema that are missing will be added. No columns in
+ *   the existing table will be deleted.
  *
  *   If unspecified, then all available columns will be used for a new table,
  *   and no changes will be made to an existing table.
@@ -946,7 +975,8 @@ var ListInfoTypesResponse = {
 };
 
 /**
- * Configuration for a risk analysis job.
+ * Configuration for a risk analysis job. See
+ * https://cloud.google.com/dlp/docs/concepts-risk-analysis to learn more.
  *
  * @property {Object} privacyMetric
  *   Privacy metric to compute.
@@ -972,6 +1002,93 @@ var RiskAnalysisJobConfig = {
   // This is for documentation. Actual contents will be loaded by gRPC.
 };
 
+/**
+ * A column with a semantic tag attached.
+ *
+ * @property {Object} field
+ *   Identifies the column. [required]
+ *
+ *   This object should have the same structure as [FieldId]{@link google.privacy.dlp.v2.FieldId}
+ *
+ * @property {Object} infoType
+ *   A column can be tagged with a InfoType to use the relevant public
+ *   dataset as a statistical model of population, if available. We
+ *   currently support US ZIP codes, region codes, ages and genders.
+ *   To programmatically obtain the list of supported InfoTypes, use
+ *   ListInfoTypes with the supported_by=RISK_ANALYSIS filter.
+ *
+ *   This object should have the same structure as [InfoType]{@link google.privacy.dlp.v2.InfoType}
+ *
+ * @property {string} customTag
+ *   A column can be tagged with a custom tag. In this case, the user must
+ *   indicate an auxiliary table that contains statistical information on
+ *   the possible values of this column (below).
+ *
+ * @property {Object} inferred
+ *   If no semantic tag is indicated, we infer the statistical model from
+ *   the distribution of values in the input data
+ *
+ *   This object should have the same structure as [Empty]{@link google.protobuf.Empty}
+ *
+ * @typedef QuasiId
+ * @memberof google.privacy.dlp.v2
+ * @see [google.privacy.dlp.v2.QuasiId definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+ */
+var QuasiId = {
+  // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * An auxiliary table containing statistical information on the relative
+ * frequency of different quasi-identifiers values. It has one or several
+ * quasi-identifiers columns, and one column that indicates the relative
+ * frequency of each quasi-identifier tuple.
+ * If a tuple is present in the data but not in the auxiliary table, the
+ * corresponding relative frequency is assumed to be zero (and thus, the
+ * tuple is highly reidentifiable).
+ *
+ * @property {Object} table
+ *   Auxiliary table location. [required]
+ *
+ *   This object should have the same structure as [BigQueryTable]{@link google.privacy.dlp.v2.BigQueryTable}
+ *
+ * @property {Object[]} quasiIds
+ *   Quasi-identifier columns. [required]
+ *
+ *   This object should have the same structure as [QuasiIdentifierField]{@link google.privacy.dlp.v2.QuasiIdentifierField}
+ *
+ * @property {Object} relativeFrequency
+ *   The relative frequency column must contain a floating-point number
+ *   between 0 and 1 (inclusive). Null values are assumed to be zero.
+ *   [required]
+ *
+ *   This object should have the same structure as [FieldId]{@link google.privacy.dlp.v2.FieldId}
+ *
+ * @typedef StatisticalTable
+ * @memberof google.privacy.dlp.v2
+ * @see [google.privacy.dlp.v2.StatisticalTable definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+ */
+var StatisticalTable = {
+  // This is for documentation. Actual contents will be loaded by gRPC.
+
+  /**
+   * A quasi-identifier column has a custom_tag, used to know which column
+   * in the data corresponds to which column in the statistical model.
+   *
+   * @property {Object} field
+   *   This object should have the same structure as [FieldId]{@link google.privacy.dlp.v2.FieldId}
+   *
+   * @property {string} customTag
+   *
+   * @typedef QuasiIdentifierField
+   * @memberof google.privacy.dlp.v2
+   * @see [google.privacy.dlp.v2.StatisticalTable.QuasiIdentifierField definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+   */
+  QuasiIdentifierField: {
+    // This is for documentation. Actual contents will be loaded by gRPC.
+  }
+};
+
 /**
  * Privacy metric to compute for reidentification risk analysis.
  *
@@ -990,6 +1107,9 @@ var RiskAnalysisJobConfig = {
  * @property {Object} kMapEstimationConfig
  *   This object should have the same structure as [KMapEstimationConfig]{@link google.privacy.dlp.v2.KMapEstimationConfig}
  *
+ * @property {Object} deltaPresenceEstimationConfig
+ *   This object should have the same structure as [DeltaPresenceEstimationConfig]{@link google.privacy.dlp.v2.DeltaPresenceEstimationConfig}
+ *
  * @typedef PrivacyMetric
  * @memberof google.privacy.dlp.v2
  * @see [google.privacy.dlp.v2.PrivacyMetric definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
@@ -1099,6 +1219,7 @@ var PrivacyMetric = {
    * using publicly available data (like the US Census), or using a custom
    * statistical model (indicated as one or several BigQuery tables), or by
    * extrapolating from the distribution of values in the input dataset.
+   * A column with a semantic tag attached.
    *
    * @property {Object[]} quasiIds
    *   Fields considered to be quasi-identifiers. No two columns can have the
@@ -1126,8 +1247,6 @@ var PrivacyMetric = {
     // This is for documentation. Actual contents will be loaded by gRPC.
 
     /**
-     * A column with a semantic tag attached.
-     *
      * @property {Object} field
      *   Identifies the column. [required]
      *
@@ -1211,6 +1330,38 @@ var PrivacyMetric = {
         // This is for documentation. Actual contents will be loaded by gRPC.
       }
     }
+  },
+
+  /**
+   * δ-presence metric, used to estimate how likely it is for an attacker to
+   * figure out that one given individual appears in a de-identified dataset.
+   * Similarly to the k-map metric, we cannot compute δ-presence exactly without
+   * knowing the attack dataset, so we use a statistical model instead.
+   *
+   * @property {Object[]} quasiIds
+   *   Fields considered to be quasi-identifiers. No two fields can have the
+   *   same tag. [required]
+   *
+   *   This object should have the same structure as [QuasiId]{@link google.privacy.dlp.v2.QuasiId}
+   *
+   * @property {string} regionCode
+   *   ISO 3166-1 alpha-2 region code to use in the statistical modeling.
+   *   Required if no column is tagged with a region-specific InfoType (like
+   *   US_ZIP_5) or a region code.
+   *
+   * @property {Object[]} auxiliaryTables
+   *   Several auxiliary tables can be used in the analysis. Each custom_tag
+   *   used to tag a quasi-identifiers field must appear in exactly one
+   *   field of one auxiliary table.
+   *
+   *   This object should have the same structure as [StatisticalTable]{@link google.privacy.dlp.v2.StatisticalTable}
+   *
+   * @typedef DeltaPresenceEstimationConfig
+   * @memberof google.privacy.dlp.v2
+   * @see [google.privacy.dlp.v2.PrivacyMetric.DeltaPresenceEstimationConfig definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+   */
+  DeltaPresenceEstimationConfig: {
+    // This is for documentation. Actual contents will be loaded by gRPC.
   }
 };
 
@@ -1242,6 +1393,9 @@ var PrivacyMetric = {
  * @property {Object} kMapEstimationResult
  *   This object should have the same structure as [KMapEstimationResult]{@link google.privacy.dlp.v2.KMapEstimationResult}
  *
+ * @property {Object} deltaPresenceEstimationResult
+ *   This object should have the same structure as [DeltaPresenceEstimationResult]{@link google.privacy.dlp.v2.DeltaPresenceEstimationResult}
+ *
  * @typedef AnalyzeDataSourceRiskDetails
  * @memberof google.privacy.dlp.v2
  * @see [google.privacy.dlp.v2.AnalyzeDataSourceRiskDetails definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
@@ -1534,6 +1688,93 @@ var AnalyzeDataSourceRiskDetails = {
     KMapEstimationHistogramBucket: {
       // This is for documentation. Actual contents will be loaded by gRPC.
     }
+  },
+
+  /**
+   * Result of the δ-presence computation. Note that these results are an
+   * estimation, not exact values.
+   *
+   * @property {Object[]} deltaPresenceEstimationHistogram
+   *   The intervals [min_probability, max_probability) do not overlap. If a
+   *   value doesn't correspond to any such interval, the associated frequency
+   *   is zero. For example, the following records:
+   *     {min_probability: 0, max_probability: 0.1, frequency: 17}
+   *     {min_probability: 0.2, max_probability: 0.3, frequency: 42}
+   *     {min_probability: 0.3, max_probability: 0.4, frequency: 99}
+   *   mean that there are no record with an estimated probability in [0.1, 0.2)
+   *   nor larger or equal to 0.4.
+   *
+   *   This object should have the same structure as [DeltaPresenceEstimationHistogramBucket]{@link google.privacy.dlp.v2.DeltaPresenceEstimationHistogramBucket}
+   *
+   * @typedef DeltaPresenceEstimationResult
+   * @memberof google.privacy.dlp.v2
+   * @see [google.privacy.dlp.v2.AnalyzeDataSourceRiskDetails.DeltaPresenceEstimationResult definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+   */
+  DeltaPresenceEstimationResult: {
+    // This is for documentation. Actual contents will be loaded by gRPC.
+
+    /**
+     * A tuple of values for the quasi-identifier columns.
+     *
+     * @property {Object[]} quasiIdsValues
+     *   The quasi-identifier values.
+     *
+     *   This object should have the same structure as [Value]{@link google.privacy.dlp.v2.Value}
+     *
+     * @property {number} estimatedProbability
+     *   The estimated probability that a given individual sharing these
+     *   quasi-identifier values is in the dataset. This value, typically called
+     *   δ, is the ratio between the number of records in the dataset with these
+     *   quasi-identifier values, and the total number of individuals (inside
+     *   *and* outside the dataset) with these quasi-identifier values.
+     *   For example, if there are 15 individuals in the dataset who share the
+     *   same quasi-identifier values, and an estimated 100 people in the entire
+     *   population with these values, then δ is 0.15.
+     *
+     * @typedef DeltaPresenceEstimationQuasiIdValues
+     * @memberof google.privacy.dlp.v2
+     * @see [google.privacy.dlp.v2.AnalyzeDataSourceRiskDetails.DeltaPresenceEstimationResult.DeltaPresenceEstimationQuasiIdValues definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+     */
+    DeltaPresenceEstimationQuasiIdValues: {
+      // This is for documentation. Actual contents will be loaded by gRPC.
+    },
+
+    /**
+     * A DeltaPresenceEstimationHistogramBucket message with the following
+     * values:
+     *   min_probability: 0.1
+     *   max_probability: 0.2
+     *   frequency: 42
+     * means that there are 42 records for which δ is in [0.1, 0.2). An
+     * important particular case is when min_probability = max_probability = 1:
+     * then, every individual who shares this quasi-identifier combination is in
+     * the dataset.
+     *
+     * @property {number} minProbability
+     *   Between 0 and 1.
+     *
+     * @property {number} maxProbability
+     *   Always greater than or equal to min_probability.
+     *
+     * @property {number} bucketSize
+     *   Number of records within these probability bounds.
+     *
+     * @property {Object[]} bucketValues
+     *   Sample of quasi-identifier tuple values in this bucket. The total
+     *   number of classes returned per bucket is capped at 20.
+     *
+     *   This object should have the same structure as [DeltaPresenceEstimationQuasiIdValues]{@link google.privacy.dlp.v2.DeltaPresenceEstimationQuasiIdValues}
+     *
+     * @property {number} bucketValueCount
+     *   Total number of distinct quasi-identifier tuple values in this bucket.
+     *
+     * @typedef DeltaPresenceEstimationHistogramBucket
+     * @memberof google.privacy.dlp.v2
+     * @see [google.privacy.dlp.v2.AnalyzeDataSourceRiskDetails.DeltaPresenceEstimationResult.DeltaPresenceEstimationHistogramBucket definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/dlp.proto}
+     */
+    DeltaPresenceEstimationHistogramBucket: {
+      // This is for documentation. Actual contents will be loaded by gRPC.
+    }
   }
 };
 
@@ -1928,6 +2169,8 @@ var CharacterMaskConfig = {
  * being transformed, we will first attempt converting the type of the data to
  * be transformed to match the type of the bound before comparing.
  *
+ * See https://cloud.google.com/dlp/docs/concepts-bucketing to learn more.
+ *
  * @property {Object} lowerBound
  *   Lower bound value of buckets. All values less than `lower_bound` are
  *   grouped together into a single bucket; for example if `lower_bound` = 10,
@@ -1966,6 +2209,7 @@ var FixedSizeBucketingConfig = {
  * If the bound `Value` type differs from the type of data being transformed, we
  * will first attempt converting the type of the data to be transformed to match
  * the type of the bound before comparing.
+ * See https://cloud.google.com/dlp/docs/concepts-bucketing to learn more.
  *
  * @property {Object[]} buckets
  *   Set of buckets. Ranges must be non-overlapping.
@@ -2018,7 +2262,7 @@ var BucketingConfig = {
  * replaced with the same surrogate.
  * Identifiers must be at least two characters long.
  * In the case that the identifier is the empty string, it will be skipped.
- * See [Pseudonymization](https://cloud.google.com/dlp/docs/pseudonymization) for example usage.
+ * See https://cloud.google.com/dlp/docs/pseudonymization to learn more.
  *
  * @property {Object} cryptoKey
  *   The key used by the encryption algorithm. [required]
@@ -2045,8 +2289,7 @@ var BucketingConfig = {
  *   such that:
  *
  *   - a 64 bit integer is encoded followed by a single byte of value 1
- *   - a string is encoded in UTF-8 format followed by a single byte of value
- *    å 2
+ *   - a string is encoded in UTF-8 format followed by a single byte of value 2
  *
  *   This object should have the same structure as [FieldId]{@link google.privacy.dlp.v2.FieldId}
  *
@@ -2215,7 +2458,8 @@ var KmsWrappedCryptoKey = {
 
 /**
  * Shifts dates by random number of days, with option to be consistent for the
- * same context.
+ * same context. See https://cloud.google.com/dlp/docs/concepts-date-shifting
+ * to learn more.
  *
  * @property {number} upperBoundDays
  *   Range of shift in days. Actual shift will be selected at random within this
@@ -2274,8 +2518,9 @@ var InfoTypeTransformations = {
    * info_type.
    *
    * @property {Object[]} infoTypes
-   *   InfoTypes to apply the transformation to. Empty list will match all
-   *   available infoTypes for this transformation.
+   *   InfoTypes to apply the transformation to. An empty list will cause
+   *   this transformation to apply to all findings that correspond to
+   *   infoTypes that were requested in `InspectConfig`.
    *
    *   This object should have the same structure as [InfoType]{@link google.privacy.dlp.v2.InfoType}
    *
@@ -2580,13 +2825,13 @@ var TransformationSummary = {
  *
  * @property {Object} recurrencePeriodDuration
  *   With this option a job is started a regular periodic basis. For
- *   example: every 10 minutes.
+ *   example: every day (86400 seconds).
  *
  *   A scheduled start time will be skipped if the previous
  *   execution has not ended when its scheduled time occurs.
  *
  *   This value must be set to a time duration greater than or equal
- *   to 60 minutes and can be no longer than 60 days.
+ *   to 1 day and can be no longer than 60 days.
  *
  *   This object should have the same structure as [Duration]{@link google.protobuf.Duration}
  *
@@ -2601,7 +2846,8 @@ var Schedule = {
 /**
  * The inspectTemplate contains a configuration (set of types of sensitive data
  * to be detected) to be used anywhere you otherwise would normally specify
- * InspectConfig.
+ * InspectConfig. See https://cloud.google.com/dlp/docs/concepts-templates
+ * to learn more.
  *
  * @property {string} name
  *   The template name. Output only.
@@ -2641,6 +2887,7 @@ var InspectTemplate = {
 
 /**
  * The DeidentifyTemplates contains instructions on how to deidentify content.
+ * See https://cloud.google.com/dlp/docs/concepts-templates to learn more.
  *
  * @property {string} name
  *   The template name. Output only.
@@ -2701,6 +2948,7 @@ var Error = {
 
 /**
  * Contains a configuration to make dlp api calls on a repeating basis.
+ * See https://cloud.google.com/dlp/docs/concepts-job-triggers to learn more.
  *
  * @property {string} name
  *   Unique resource name for the triggeredJob, assigned by the service when the
@@ -2805,6 +3053,7 @@ var JobTrigger = {
 
 /**
  * A task to execute on the completion of a job.
+ * See https://cloud.google.com/dlp/docs/concepts-actions to learn more.
  *
  * @property {Object} saveFindings
  *   Save resulting findings in a provided location.
@@ -2832,7 +3081,7 @@ var Action = {
    * If set, the detailed findings will be persisted to the specified
    * OutputStorageConfig. Only a single instance of this action can be
    * specified.
-   * Compatible with: Inspect
+   * Compatible with: Inspect, Risk
    *
    * @property {Object} outputConfig
    *   This object should have the same structure as [OutputStorageConfig]{@link google.privacy.dlp.v2.OutputStorageConfig}
@@ -3107,30 +3356,29 @@ var CreateDlpJobRequest = {
  * Request message for ListJobTriggers.
  *
  * @property {string} parent
- *   The parent resource name, for example projects/my-project-id.
+ *   The parent resource name, for example `projects/my-project-id`.
  *
  * @property {string} pageToken
  *   Optional page token to continue retrieval. Comes from previous call
- *   to ListJobTriggers. `order_by` and `filter` should not change for
- *   subsequent calls, but can be omitted if token is specified.
+ *   to ListJobTriggers. `order_by` field must not
+ *   change for subsequent calls.
  *
  * @property {number} pageSize
  *   Optional size of the page, can be limited by a server.
  *
  * @property {string} orderBy
  *   Optional comma separated list of triggeredJob fields to order by,
- *   followed by 'asc/desc' postfix, i.e.
- *   `"create_time asc,name desc,schedule_mode asc"`. This list is
- *   case-insensitive.
+ *   followed by `asc` or `desc` postfix. This list is case-insensitive,
+ *   default sorting order is ascending, redundant space characters are
+ *   insignificant.
  *
- *   Example: `"name asc,schedule_mode desc, status desc"`
+ *   Example: `name asc,update_time, create_time desc`
  *
- *   Supported filters keys and values are:
+ *   Supported fields are:
  *
  *   - `create_time`: corresponds to time the triggeredJob was created.
  *   - `update_time`: corresponds to time the triggeredJob was last updated.
- *   - `name`: corresponds to JobTrigger's display name.
- *   - `status`: corresponds to the triggeredJob status.
+ *   - `name`: corresponds to JobTrigger's name.
  *
  * @typedef ListJobTriggersRequest
  * @memberof google.privacy.dlp.v2
diff --git a/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_storage.js b/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_storage.js
index b380c9cb7c8..ed4ccc06d74 100644
--- a/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_storage.js
+++ b/packages/google-privacy-dlp/src/v2/doc/google/privacy/dlp/v2/doc_storage.js
@@ -19,7 +19,10 @@
  * Type of information detected by the API.
  *
  * @property {string} name
- *   Name of the information type.
+ *   Name of the information type. Either a name of your choosing when
+ *   creating a CustomInfoType, or one of the names listed
+ *   at https://cloud.google.com/dlp/docs/infotypes-reference when specifying
+ *   a built-in type.
  *
  * @typedef InfoType
  * @memberof google.privacy.dlp.v2
@@ -34,37 +37,38 @@ var InfoType = {
  * sensitive information configurable to the data in question.
  *
  * @property {Object} infoType
- *   Info type configuration. All custom info types must have configurations
- *   that do not conflict with built-in info types or other custom info types.
+ *   All CustomInfoTypes must have a name
+ *   that does not conflict with built-in InfoTypes or other CustomInfoTypes.
  *
  *   This object should have the same structure as [InfoType]{@link google.privacy.dlp.v2.InfoType}
  *
  * @property {number} likelihood
- *   Likelihood to return for this custom info type. This base value can be
+ *   Likelihood to return for this CustomInfoType. This base value can be
  *   altered by a detection rule if the finding meets the criteria specified by
  *   the rule. Defaults to `VERY_LIKELY` if not specified.
  *
  *   The number should be among the values of [Likelihood]{@link google.privacy.dlp.v2.Likelihood}
  *
  * @property {Object} dictionary
- *   Dictionary-based custom info type.
+ *   A list of phrases to detect as a CustomInfoType.
  *
  *   This object should have the same structure as [Dictionary]{@link google.privacy.dlp.v2.Dictionary}
  *
  * @property {Object} regex
- *   Regex-based custom info type.
+ *   Regular expression based CustomInfoType.
  *
  *   This object should have the same structure as [Regex]{@link google.privacy.dlp.v2.Regex}
  *
  * @property {Object} surrogateType
- *   Surrogate info type.
+ *   Message for detecting output from deidentification transformations that
+ *   support reversing.
  *
  *   This object should have the same structure as [SurrogateType]{@link google.privacy.dlp.v2.SurrogateType}
  *
  * @property {Object[]} detectionRules
- *   Set of detection rules to apply to all findings of this custom info type.
+ *   Set of detection rules to apply to all findings of this CustomInfoType.
  *   Rules are applied in order that they are specified. Not supported for the
- *   `surrogate_type` custom info type.
+ *   `surrogate_type` CustomInfoType.
  *
  *   This object should have the same structure as [DetectionRule]{@link google.privacy.dlp.v2.DetectionRule}
  *
@@ -152,7 +156,7 @@ var CustomInfoType = {
    * These types of transformations are
    * those that perform pseudonymization, thereby producing a "surrogate" as
    * output. This should be used in conjunction with a field on the
-   * transformation such as `surrogate_info_type`. This custom info type does
+   * transformation such as `surrogate_info_type`. This CustomInfoType does
    * not support the use of `detection_rules`.
    * @typedef SurrogateType
    * @memberof google.privacy.dlp.v2
@@ -163,7 +167,7 @@ var CustomInfoType = {
   },
 
   /**
-   * Rule for modifying a custom info type to alter behavior under certain
+   * Rule for modifying a CustomInfoType to alter behavior under certain
    * circumstances, depending on the specific details of the rule. Not supported
    * for the `surrogate_type` custom info type.
    *
@@ -225,11 +229,11 @@ var CustomInfoType = {
     },
 
     /**
-     * Detection rule that adjusts the likelihood of findings within a certain
+     * The rule that adjusts the likelihood of findings within a certain
      * proximity of hotwords.
      *
      * @property {Object} hotwordRegex
-     *   Regex pattern defining what qualifies as a hotword.
+     *   Regular expression pattern defining what qualifies as a hotword.
      *
      *   This object should have the same structure as [Regex]{@link google.privacy.dlp.v2.Regex}
      *
@@ -350,6 +354,14 @@ var DatastoreOptions = {
  *
  *   The number should be among the values of [FileType]{@link google.privacy.dlp.v2.FileType}
  *
+ * @property {number} sampleMethod
+ *   The number should be among the values of [SampleMethod]{@link google.privacy.dlp.v2.SampleMethod}
+ *
+ * @property {number} filesLimitPercent
+ *   Limits the number of files to scan to this percentage of the input FileSet.
+ *   Number of files scanned is rounded down. Must be between 0 and 100,
+ *   inclusively. Both 0 and 100 means no limit. Defaults to 0.
+ *
  * @typedef CloudStorageOptions
  * @memberof google.privacy.dlp.v2
  * @see [google.privacy.dlp.v2.CloudStorageOptions definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/storage.proto}
@@ -370,11 +382,34 @@ var CloudStorageOptions = {
    */
   FileSet: {
     // This is for documentation. Actual contents will be loaded by gRPC.
+  },
+
+  /**
+   * How to sample bytes if not all bytes are scanned. Meaningful only when used
+   * in conjunction with bytes_limit_per_file. If not specified, scanning would
+   * start from the top.
+   *
+   * @enum {number}
+   * @memberof google.privacy.dlp.v2
+   */
+  SampleMethod: {
+    SAMPLE_METHOD_UNSPECIFIED: 0,
+
+    /**
+     * Scan from the top (default).
+     */
+    TOP: 1,
+
+    /**
+     * For each file larger than bytes_limit_per_file, randomly pick the offset
+     * to start scanning. The scanned bytes are contiguous.
+     */
+    RANDOM_START: 2
   }
 };
 
 /**
- * Message representing a path in Cloud Storage.
+ * Message representing a single file or path in Cloud Storage.
  *
  * @property {string} path
  *   A url representing a file or path (no wildcards) in Cloud Storage.
@@ -407,12 +442,37 @@ var CloudStoragePath = {
  *   rest of the rows are omitted. If not set, or if set to 0, all rows will be
  *   scanned. Cannot be used in conjunction with TimespanConfig.
  *
+ * @property {number} sampleMethod
+ *   The number should be among the values of [SampleMethod]{@link google.privacy.dlp.v2.SampleMethod}
+ *
  * @typedef BigQueryOptions
  * @memberof google.privacy.dlp.v2
  * @see [google.privacy.dlp.v2.BigQueryOptions definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/privacy/dlp/v2/storage.proto}
  */
 var BigQueryOptions = {
   // This is for documentation. Actual contents will be loaded by gRPC.
+
+  /**
+   * How to sample rows if not all rows are scanned. Meaningful only when used
+   * in conjunction with rows_limit. If not specified, scanning would start
+   * from the top.
+   *
+   * @enum {number}
+   * @memberof google.privacy.dlp.v2
+   */
+  SampleMethod: {
+    SAMPLE_METHOD_UNSPECIFIED: 0,
+
+    /**
+     * Scan from the top (default).
+     */
+    TOP: 1,
+
+    /**
+     * Randomly pick the row to start scanning. The scanned rows are contiguous.
+     */
+    RANDOM_START: 2
+  }
 };
 
 /**
@@ -657,7 +717,7 @@ var EntityId = {
 var Likelihood = {
 
   /**
-   * Default value; information with all likelihoods is included.
+   * Default value; same as POSSIBLE.
    */
   LIKELIHOOD_UNSPECIFIED: 0,
 
diff --git a/packages/google-privacy-dlp/synth.py b/packages/google-privacy-dlp/synth.py
new file mode 100644
index 00000000000..11070079290
--- /dev/null
+++ b/packages/google-privacy-dlp/synth.py
@@ -0,0 +1,39 @@
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""This script is used to synthesize generated parts of this library."""
+
+import synthtool as s
+import synthtool.gcp as gcp
+import subprocess
+
+gapic = gcp.GAPICGenerator()
+
+version = 'v2'
+library = gapic.node_library('dlp', version,
+  config_path='/google/privacy/dlp/artman_dlp_v2.yaml'
+)
+s.copy(library,
+  excludes=['README.md', 'package.json']
+)
+
+'''
+Node.js specific cleanup
+'''
+# Repo Cleanup/Setup
+subprocess.run(['npm', 'install'])
+
+# prettify and lint
+subprocess.run(['npm', 'run', 'prettier'])
+subprocess.run(['npm', 'run', 'lint'])