feat(discov2): update models and add new methods

NEW methods: listDocuments, getDocument, listDocumentClassifiers, createDocumentClassifier,
getDocumentClassifier, updateDocumentClassifier, deleteDocumentClassifier,
listDocumentClassifierModels, createDocumentClassifierModels, getDocumentClassifierModels,
updateDocumentClassifierModels, deleteDocumentClassifierModels, getStopwordList, createStopwordList,
deleteStopwordList, listExpansions, createExpansions, deleteExpansions

discovery/src/main/java/com/ibm/watson/discovery/v2/model/ClassifierFederatedModel.java

@@ -0,0 +1,91 @@
+/*
+ * (C) Copyright IBM Corp. 2022.
+ *
+ * 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.
+ */
+package com.ibm.watson.discovery.v2.model;
+
+import com.ibm.cloud.sdk.core.service.model.GenericModel;
+
+/** An object with details for creating federated document classifier models. */
+public class ClassifierFederatedModel extends GenericModel {
+
+  protected String field;
+
+  /** Builder. */
+  public static class Builder {
+    private String field;
+
+    private Builder(ClassifierFederatedModel classifierFederatedModel) {
+      this.field = classifierFederatedModel.field;
+    }
+
+    /** Instantiates a new builder. */
+    public Builder() {}
+
+    /**
+     * Instantiates a new builder with required properties.
+     *
+     * @param field the field
+     */
+    public Builder(String field) {
+      this.field = field;
+    }
+
+    /**
+     * Builds a ClassifierFederatedModel.
+     *
+     * @return the new ClassifierFederatedModel instance
+     */
+    public ClassifierFederatedModel build() {
+      return new ClassifierFederatedModel(this);
+    }
+
+    /**
+     * Set the field.
+     *
+     * @param field the field
+     * @return the ClassifierFederatedModel builder
+     */
+    public Builder field(String field) {
+      this.field = field;
+      return this;
+    }
+  }
+
+  protected ClassifierFederatedModel() {}
+
+  protected ClassifierFederatedModel(Builder builder) {
+    com.ibm.cloud.sdk.core.util.Validator.notNull(builder.field, "field cannot be null");
+    field = builder.field;
+  }
+
+  /**
+   * New builder.
+   *
+   * @return a ClassifierFederatedModel builder
+   */
+  public Builder newBuilder() {
+    return new Builder(this);
+  }
+
+  /**
+   * Gets the field.
+   *
+   * <p>Name of the field that contains the values from which multiple classifier models are
+   * defined. For example, you can specify a field that lists product lines to create a separate
+   * model per product line.
+   *
+   * @return the field
+   */
+  public String field() {
+    return field;
+  }
+}

discovery/src/main/java/com/ibm/watson/discovery/v2/model/ClassifierModelEvaluation.java

@@ -0,0 +1,66 @@
+/*
+ * (C) Copyright IBM Corp. 2022.
+ *
+ * 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.
+ */
+package com.ibm.watson.discovery.v2.model;
+
+import com.google.gson.annotations.SerializedName;
+import com.ibm.cloud.sdk.core.service.model.GenericModel;
+import java.util.List;
+
+/** An object that contains information about a trained document classifier model. */
+public class ClassifierModelEvaluation extends GenericModel {
+
+  @SerializedName("micro_average")
+  protected ModelEvaluationMicroAverage microAverage;
+
+  @SerializedName("macro_average")
+  protected ModelEvaluationMacroAverage macroAverage;
+
+  @SerializedName("per_class")
+  protected List<PerClassModelEvaluation> perClass;
+
+  /**
+   * Gets the microAverage.
+   *
+   * <p>A micro-average aggregates the contributions of all classes to compute the average metric.
+   * Classes refers to the classification labels that are specified in the **answer_field**.
+   *
+   * @return the microAverage
+   */
+  public ModelEvaluationMicroAverage getMicroAverage() {
+    return microAverage;
+  }
+
+  /**
+   * Gets the macroAverage.
+   *
+   * <p>A macro-average computes metric independently for each class and then takes the average.
+   * Class refers to the classification label that is specified in the **answer_field**.
+   *
+   * @return the macroAverage
+   */
+  public ModelEvaluationMacroAverage getMacroAverage() {
+    return macroAverage;
+  }
+
+  /**
+   * Gets the perClass.
+   *
+   * <p>An array of evaluation metrics, one set of metrics for each class, where class refers to the
+   * classification label that is specified in the **answer_field**.
+   *
+   * @return the perClass
+   */
+  public List<PerClassModelEvaluation> getPerClass() {
+    return perClass;
+  }
+}

discovery/src/main/java/com/ibm/watson/discovery/v2/model/CollectionDetails.java

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright IBM Corp. 2020.
+ * (C) Copyright IBM Corp. 2022.
  *
  * 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
@@ -30,18 +30,23 @@ public class CollectionDetails extends GenericModel {
   protected String language;
   protected List<CollectionEnrichment> enrichments;
 
+  @SerializedName("smart_document_understanding")
+  protected CollectionDetailsSmartDocumentUnderstanding smartDocumentUnderstanding;
+
   /** Builder. */
   public static class Builder {
     private String name;
     private String description;
     private String language;
     private List<CollectionEnrichment> enrichments;
+    private CollectionDetailsSmartDocumentUnderstanding smartDocumentUnderstanding;
 
     private Builder(CollectionDetails collectionDetails) {
       this.name = collectionDetails.name;
       this.description = collectionDetails.description;
       this.language = collectionDetails.language;
       this.enrichments = collectionDetails.enrichments;
+      this.smartDocumentUnderstanding = collectionDetails.smartDocumentUnderstanding;
     }
 
     /** Instantiates a new builder. */
@@ -123,14 +128,29 @@ public Builder enrichments(List<CollectionEnrichment> enrichments) {
       this.enrichments = enrichments;
       return this;
     }
+
+    /**
+     * Set the smartDocumentUnderstanding.
+     *
+     * @param smartDocumentUnderstanding the smartDocumentUnderstanding
+     * @return the CollectionDetails builder
+     */
+    public Builder smartDocumentUnderstanding(
+        CollectionDetailsSmartDocumentUnderstanding smartDocumentUnderstanding) {
+      this.smartDocumentUnderstanding = smartDocumentUnderstanding;
+      return this;
+    }
   }
 
+  protected CollectionDetails() {}
+
   protected CollectionDetails(Builder builder) {
     com.ibm.cloud.sdk.core.util.Validator.notNull(builder.name, "name cannot be null");
     name = builder.name;
     description = builder.description;
     language = builder.language;
     enrichments = builder.enrichments;
+    smartDocumentUnderstanding = builder.smartDocumentUnderstanding;
   }
 
   /**
@@ -189,7 +209,8 @@ public Date created() {
   /**
    * Gets the language.
    *
-   * <p>The language of the collection.
+   * <p>The language of the collection. For a list of supported languages, see the [product
+   * documentation](/docs/discovery-data?topic=discovery-data-language-support).
    *
    * @return the language
    */
@@ -200,11 +221,27 @@ public String language() {
   /**
    * Gets the enrichments.
    *
-   * <p>An array of enrichments that are applied to this collection.
+   * <p>An array of enrichments that are applied to this collection. To get a list of enrichments
+   * that are available for a project, use the [List enrichments](#listenrichments) method.
+   *
+   * <p>If no enrichments are specified when the collection is created, the default enrichments for
+   * the project type are applied. For more information about project default settings, see the
+   * [product documentation](/docs/discovery-data?topic=discovery-data-project-defaults).
    *
    * @return the enrichments
    */
   public List<CollectionEnrichment> enrichments() {
     return enrichments;
   }
+
+  /**
+   * Gets the smartDocumentUnderstanding.
+   *
+   * <p>An object that describes the Smart Document Understanding model for a collection.
+   *
+   * @return the smartDocumentUnderstanding
+   */
+  public CollectionDetailsSmartDocumentUnderstanding smartDocumentUnderstanding() {
+    return smartDocumentUnderstanding;
+  }
 }