diff --git a/lib/grape_entity.rb b/lib/grape_entity.rb
index 44815600..fd7a87b0 100644
--- a/lib/grape_entity.rb
+++ b/lib/grape_entity.rb
@@ -3,3 +3,5 @@
 require 'grape_entity/version'
 require 'grape_entity/entity'
 require 'grape_entity/delegator'
+require 'grape_entity/exposure'
+require 'grape_entity/options'
diff --git a/lib/grape_entity/condition.rb b/lib/grape_entity/condition.rb
new file mode 100644
index 00000000..bf7b2088
--- /dev/null
+++ b/lib/grape_entity/condition.rb
@@ -0,0 +1,26 @@
+require 'grape_entity/condition/base'
+require 'grape_entity/condition/block_condition'
+require 'grape_entity/condition/hash_condition'
+require 'grape_entity/condition/symbol_condition'
+
+module Grape
+  class Entity
+    module Condition
+      def self.new_if(arg)
+        case arg
+        when Hash then HashCondition.new false, arg
+        when Proc then BlockCondition.new false, &arg
+        when Symbol then SymbolCondition.new false, arg
+        end
+      end
+
+      def self.new_unless(arg)
+        case arg
+        when Hash then HashCondition.new true, arg
+        when Proc then BlockCondition.new true, &arg
+        when Symbol then SymbolCondition.new true, arg
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/condition/base.rb b/lib/grape_entity/condition/base.rb
new file mode 100644
index 00000000..df6caa41
--- /dev/null
+++ b/lib/grape_entity/condition/base.rb
@@ -0,0 +1,31 @@
+module Grape
+  class Entity
+    module Condition
+      class Base
+        def self.new(inverse, *args, &block)
+          super(inverse).tap { |e| e.setup_options(*args, &block) }
+        end
+
+        def initialize(inverse = false)
+          @inverse = inverse
+        end
+
+        def inversed?
+          @inverse
+        end
+
+        def met?(entity, options)
+          !@inverse ? if_value(entity, options) : unless_value(entity, options)
+        end
+
+        def if_value(_entity, _options)
+          fail NotImplementedError
+        end
+
+        def unless_value(entity, options)
+          !if_value(entity, options)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/condition/block_condition.rb b/lib/grape_entity/condition/block_condition.rb
new file mode 100644
index 00000000..40763497
--- /dev/null
+++ b/lib/grape_entity/condition/block_condition.rb
@@ -0,0 +1,17 @@
+module Grape
+  class Entity
+    module Condition
+      class BlockCondition < Base
+        attr_reader :block
+
+        def setup_options(&block)
+          @block = block
+        end
+
+        def if_value(entity, options)
+          entity.exec_with_object(options, &@block)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/condition/hash_condition.rb b/lib/grape_entity/condition/hash_condition.rb
new file mode 100644
index 00000000..c10967a9
--- /dev/null
+++ b/lib/grape_entity/condition/hash_condition.rb
@@ -0,0 +1,21 @@
+module Grape
+  class Entity
+    module Condition
+      class HashCondition < Base
+        attr_reader :cond_hash
+
+        def setup_options(cond_hash)
+          @cond_hash = cond_hash
+        end
+
+        def if_value(_entity, options)
+          @cond_hash.all? { |k, v| options[k.to_sym] == v }
+        end
+
+        def unless_value(_entity, options)
+          @cond_hash.any? { |k, v| options[k.to_sym] != v }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/condition/symbol_condition.rb b/lib/grape_entity/condition/symbol_condition.rb
new file mode 100644
index 00000000..28b806d5
--- /dev/null
+++ b/lib/grape_entity/condition/symbol_condition.rb
@@ -0,0 +1,17 @@
+module Grape
+  class Entity
+    module Condition
+      class SymbolCondition < Base
+        attr_reader :symbol
+
+        def setup_options(symbol)
+          @symbol = symbol
+        end
+
+        def if_value(_entity, options)
+          options[symbol]
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/entity.rb b/lib/grape_entity/entity.rb
index 7e67fd34..ea9c7aa8 100644
--- a/lib/grape_entity/entity.rb
+++ b/lib/grape_entity/entity.rb
@@ -108,15 +108,11 @@ class << self
       # Returns all formatters that are registered for this and it's ancestors
       # @return [Hash] of formatters
       attr_accessor :formatters
-      attr_accessor :nested_attribute_names
-      attr_accessor :nested_exposures
     end
 
     def self.inherited(subclass)
-      subclass.exposures = exposures.try(:dup) || {}
-      subclass.root_exposures = root_exposures.try(:dup) || {}
-      subclass.nested_exposures = nested_exposures.try(:dup) || {}
-      subclass.nested_attribute_names = nested_attribute_names.try(:dup) || {}
+      subclass.exposures = exposures.try(:dup) || []
+      subclass.root_exposures = root_exposures.try(:dup) || []
       subclass.formatters = formatters.try(:dup) || {}
     end
 
@@ -155,35 +151,45 @@ def self.expose(*args, &block)
 
       fail ArgumentError, 'You may not use block-setting when also using format_with' if block_given? && options[:format_with].respond_to?(:call)
 
-      options[:proc] = block if block_given? && block.parameters.any?
+      if block_given?
+        if block.parameters.any?
+          options[:proc] = block
+        else
+          options[:nesting] = true
+        end
+      end
 
-      @nested_attributes ||= []
+      @nesting_stack ||= []
 
       # rubocop:disable Style/Next
       args.each do |attribute|
-        if @nested_attributes.empty?
-          root_exposures[attribute] = options
+        unexpose(attribute) if options[:rewrite]
+        exposure = Exposure.new(attribute, options)
+
+        if @nesting_stack.empty?
+          root_exposures << exposure
         else
-          orig_attribute = attribute.to_sym
-          attribute = "#{@nested_attributes.last}__#{attribute}".to_sym
-          nested_attribute_names[attribute] = orig_attribute
-          options[:nested] = true
-          nested_exposures.deep_merge!(@nested_attributes.last.to_sym  => { attribute => options })
+          @nesting_stack.last.nested_exposures << exposure
         end
 
-        exposures[attribute] = options
+        exposures << exposure
 
         # Nested exposures are given in a block with no parameters.
-        if block_given? && block.parameters.empty?
-          @nested_attributes << attribute
+        if exposure.nesting?
+          @nesting_stack << exposure
           block.call
-          @nested_attributes.pop
+          @nesting_stack.pop
         end
       end
     end
 
+    def self.find_exposure(attribute)
+      exposures.find { |e| e.attribute == attribute }
+    end
+
     def self.unexpose(attribute)
-      exposures.delete(attribute)
+      root_exposures.reject! { |e| e.attribute == attribute }
+      exposures.reject! { |e| e.attribute == attribute }
     end
 
     # Set options that will be applied to any exposures declared inside the block.
@@ -205,9 +211,9 @@ def self.with_options(options)
     # the values are document keys in the entity's documentation key. When calling
     # #docmentation, any exposure without a documentation key will be ignored.
     def self.documentation
-      @documentation ||= exposures.each_with_object({}) do |(attribute, exposure_options), memo|
-        if exposure_options[:documentation].present?
-          memo[key_for(attribute)] = exposure_options[:documentation]
+      @documentation ||= exposures.each_with_object({}) do |exposure, memo|
+        if exposure.documentation.present?
+          memo[exposure.key] = exposure.documentation
         end
       end
     end
@@ -363,7 +369,7 @@ def self.present_collection(present_collection = false, collection_name = :items
     def self.represent(objects, options = {})
       if objects.respond_to?(:to_ary) && ! @present_collection
         root_element =  root_element(:collection_root)
-        inner = objects.to_ary.map { |object| new(object, { collection: true }.merge(options)).presented }
+        inner = objects.to_ary.map { |object| new(object, options.reverse_merge(collection: true)).presented }
       else
         objects = { @collection_name => objects } if @present_collection
         root_element = root_element(:root)
@@ -396,7 +402,7 @@ def presented
     def initialize(object, options = {})
       @object = object
       @delegator = Delegator.new object
-      @options = options
+      @options = Options.new(options)
     end
 
     def exposures
@@ -427,12 +433,11 @@ def serializable_hash(runtime_options = {})
 
       opts = options.merge(runtime_options || {})
 
-      root_exposures.each_with_object({}) do |(attribute, exposure_options), output|
-        next unless should_return_attribute?(attribute, opts) && conditions_met?(exposure_options, opts)
+      root_exposures.each_with_object({}) do |exposure, output|
+        next unless exposure.should_return_attribute?(opts) && exposure.conditions_met?(self, opts)
 
-        partial_output = value_for(attribute, opts)
-
-        output[self.class.key_for(attribute)] =
+        partial_output = exposure.valid_value(self, opts)
+        result =
           if partial_output.respond_to?(:serializable_hash)
             partial_output.serializable_hash(runtime_options)
           elsif partial_output.is_a?(Array) && partial_output.all? { |o| o.respond_to?(:serializable_hash) }
@@ -444,6 +449,11 @@ def serializable_hash(runtime_options = {})
           else
             partial_output
           end
+        if exposure.nesting?
+          output.deep_merge!(exposure.key => result)
+        else
+          output[exposure.key] = result
+        end
       end
     end
 
@@ -498,150 +508,46 @@ def except_fields(options, for_attribute = nil)
       end
     end
 
-    alias_method :as_json, :serializable_hash
-
-    def to_json(options = {})
-      options = options.to_h if options && options.respond_to?(:to_h)
-      MultiJson.dump(serializable_hash(options))
-    end
-
-    def to_xml(options = {})
-      options = options.to_h if options && options.respond_to?(:to_h)
-      serializable_hash(options).to_xml(options)
-    end
-
-    protected
-
-    def self.name_for(attribute)
-      attribute = attribute.to_sym
-      nested_attribute_names[attribute] || attribute
-    end
-
-    def self.key_for(attribute)
-      exposures[attribute.to_sym][:as] || name_for(attribute)
+    def exec_with_object(options, &block)
+      instance_exec(object, options, &block)
     end
 
-    def self.nested_exposures_for?(attribute)
-      nested_exposures.key?(attribute)
+    def exec_with_attribute(attribute, &block)
+      instance_exec(delegate_attribute(attribute), &block)
     end
 
-    def nested_value_for(attribute, options)
-      nested_exposures = self.class.nested_exposures[attribute]
-      nested_attributes =
-        nested_exposures.map do |nested_attribute, nested_exposure_options|
-          if conditions_met?(nested_exposure_options, options)
-            [self.class.key_for(nested_attribute), value_for(nested_attribute, options)]
-          end
-        end
-
-      Hash[nested_attributes.compact]
-    end
-
-    def value_for(attribute, options = {})
-      exposure_options = exposures[attribute.to_sym]
-      return unless valid_exposure?(attribute, exposure_options)
-
-      if exposure_options[:using]
-        exposure_options[:using] = exposure_options[:using].constantize if exposure_options[:using].respond_to? :constantize
-
-        using_options = options_for_using(attribute, options)
-
-        if exposure_options[:proc]
-          exposure_options[:using].represent(instance_exec(object, options, &exposure_options[:proc]), using_options)
-        else
-          exposure_options[:using].represent(delegate_attribute(attribute), using_options)
-        end
-
-      elsif exposure_options[:proc]
-        instance_exec(object, options, &exposure_options[:proc])
-
-      elsif exposure_options[:format_with]
-        format_with = exposure_options[:format_with]
-
-        if format_with.is_a?(Symbol) && formatters[format_with]
-          instance_exec(delegate_attribute(attribute), &formatters[format_with])
-        elsif format_with.is_a?(Symbol)
-          send(format_with, delegate_attribute(attribute))
-        elsif format_with.respond_to? :call
-          instance_exec(delegate_attribute(attribute), &format_with)
-        end
-
-      elsif self.class.nested_exposures_for?(attribute)
-        nested_value_for(attribute, options)
-      else
-        delegate_attribute(attribute)
+    def value_for(attribute, options = Options.new)
+      value = nil
+      exposures.select { |e| e.attribute == attribute }.each do |exposure|
+        next unless exposure.should_return_attribute?(options) && exposure.conditions_met?(self, options)
+        value = exposure.valid_value(self, options)
       end
+      value
     end
 
     def delegate_attribute(attribute)
-      name = self.class.name_for(attribute)
-      if respond_to?(name, true)
-        send(name)
+      if respond_to?(attribute, true)
+        send(attribute)
       else
-        delegator.delegate(name)
+        delegator.delegate(attribute)
       end
     end
 
-    def valid_exposure?(attribute, exposure_options)
-      if self.class.nested_exposures_for?(attribute)
-        self.class.nested_exposures[attribute].all? { |a, o| valid_exposure?(a, o) }
-      elsif exposure_options.key?(:proc)
-        true
-      else
-        name = self.class.name_for(attribute)
-        if exposure_options[:safe]
-          delegator.delegatable?(name)
-        else
-          delegator.delegatable?(name) || fail(NoMethodError, "#{self.class.name} missing attribute `#{name}' on #{object}")
-        end
-      end
-    end
-
-    def conditions_met?(exposure_options, options)
-      if_conditions = []
-      unless exposure_options[:if_extras].nil?
-        if_conditions.concat(exposure_options[:if_extras])
-      end
-      if_conditions << exposure_options[:if] unless exposure_options[:if].nil?
-
-      if_conditions.each do |if_condition|
-        case if_condition
-        when Hash then if_condition.each_pair { |k, v| return false if options[k.to_sym] != v }
-        when Proc then return false unless instance_exec(object, options, &if_condition)
-        when Symbol then return false unless options[if_condition]
-        end
-      end
-
-      unless_conditions = []
-      unless exposure_options[:unless_extras].nil?
-        unless_conditions.concat(exposure_options[:unless_extras])
-      end
-      unless_conditions << exposure_options[:unless] unless exposure_options[:unless].nil?
-
-      unless_conditions.each do |unless_condition|
-        case unless_condition
-        when Hash then unless_condition.each_pair { |k, v| return false if options[k.to_sym] == v }
-        when Proc then return false if instance_exec(object, options, &unless_condition)
-        when Symbol then return false if options[unless_condition]
-        end
-      end
+    alias_method :as_json, :serializable_hash
 
-      true
+    def to_json(options = {})
+      options = options.to_h if options && options.respond_to?(:to_h)
+      MultiJson.dump(serializable_hash(options))
     end
 
-    def options_for_using(attribute, options)
-      using_options = options.dup
-      using_options.delete(:collection)
-      using_options[:root] = nil
-      using_options[:only] = only_fields(using_options, attribute)
-      using_options[:except] = except_fields(using_options, attribute)
-
-      using_options
+    def to_xml(options = {})
+      options = options.to_h if options && options.respond_to?(:to_h)
+      serializable_hash(options).to_xml(options)
     end
 
     # All supported options.
     OPTIONS = [
-      :as, :if, :unless, :using, :with, :proc, :documentation, :format_with, :safe, :if_extras, :unless_extras
+      :rewrite, :as, :if, :unless, :using, :with, :proc, :documentation, :format_with, :safe, :if_extras, :unless_extras
     ].to_set.freeze
 
     # Merges the given options with current block options.
diff --git a/lib/grape_entity/exposure.rb b/lib/grape_entity/exposure.rb
new file mode 100644
index 00000000..6a4aba39
--- /dev/null
+++ b/lib/grape_entity/exposure.rb
@@ -0,0 +1,77 @@
+require 'grape_entity/exposure/base'
+require 'grape_entity/exposure/represent_exposure'
+require 'grape_entity/exposure/block_exposure'
+require 'grape_entity/exposure/delegator_exposure'
+require 'grape_entity/exposure/formatter_exposure'
+require 'grape_entity/exposure/formatter_block_exposure'
+require 'grape_entity/exposure/nesting_exposure'
+require 'grape_entity/condition'
+
+module Grape
+  class Entity
+    module Exposure
+      def self.new(attribute, options)
+        conditions = compile_conditions(options)
+        base_args = [attribute, options, conditions]
+
+        if options[:proc]
+          block_exposure = BlockExposure.new(*base_args, &options[:proc])
+        else
+          delegator_exposure = DelegatorExposure.new(*base_args)
+        end
+
+        if options[:using]
+          using_class = options[:using]
+
+          if options[:proc]
+            RepresentExposure.new(*base_args, using_class, block_exposure)
+          else
+            RepresentExposure.new(*base_args, using_class, delegator_exposure)
+          end
+
+        elsif options[:proc]
+          block_exposure
+
+        elsif options[:format_with]
+          format_with = options[:format_with]
+
+          if format_with.is_a? Symbol
+            FormatterExposure.new(*base_args, format_with)
+          elsif format_with.respond_to? :call
+            FormatterBlockExposure.new(*base_args, &format_with)
+          end
+
+        elsif options[:nesting]
+          NestingExposure.new(*base_args)
+
+        else
+          delegator_exposure
+        end
+      end
+
+      def self.compile_conditions(options)
+        if_conditions = []
+        unless options[:if_extras].nil?
+          if_conditions.concat(options[:if_extras])
+        end
+        if_conditions << options[:if] unless options[:if].nil?
+
+        if_conditions.map! do |cond|
+          Condition.new_if cond
+        end
+
+        unless_conditions = []
+        unless options[:unless_extras].nil?
+          unless_conditions.concat(options[:unless_extras])
+        end
+        unless_conditions << options[:unless] unless options[:unless].nil?
+
+        unless_conditions.map! do |cond|
+          Condition.new_unless cond
+        end
+
+        if_conditions + unless_conditions
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/base.rb b/lib/grape_entity/exposure/base.rb
new file mode 100644
index 00000000..36d0fb37
--- /dev/null
+++ b/lib/grape_entity/exposure/base.rb
@@ -0,0 +1,57 @@
+module Grape
+  class Entity
+    module Exposure
+      class Base
+        attr_reader :attribute, :key, :is_safe, :documentation, :conditions
+
+        def self.new(attribute, options, conditions, *args, &block)
+          super(attribute, options, conditions).tap { |e| e.setup_options(*args, &block) }
+        end
+
+        def initialize(attribute, options, conditions)
+          @attribute = attribute.to_sym
+          @key = (options[:as] || attribute).to_sym
+          @is_safe = options[:safe]
+          @documentation = options[:documentation]
+          @conditions = conditions
+        end
+
+        def setup_options
+        end
+
+        def nesting?
+          false
+        end
+
+        def valid?(entity)
+          is_delegatable = entity.delegator.delegatable?(@attribute)
+          if @is_safe
+            is_delegatable
+          else
+            is_delegatable || fail(NoMethodError, "#{entity.class.name} missing attribute `#{@attribute}' on #{entity.object}")
+          end
+        end
+
+        def value(_entity, _options)
+          fail NotImplementedError
+        end
+
+        def valid_value(entity, options)
+          valid?(entity) && value(entity, options)
+        end
+
+        def should_return_attribute?(options)
+          options.should_return_key? @key
+        end
+
+        def conditional?
+          !@conditions.empty?
+        end
+
+        def conditions_met?(entity, options)
+          @conditions.all? { |condition| condition.met? entity, options }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/block_exposure.rb b/lib/grape_entity/exposure/block_exposure.rb
new file mode 100644
index 00000000..e31b15cb
--- /dev/null
+++ b/lib/grape_entity/exposure/block_exposure.rb
@@ -0,0 +1,21 @@
+module Grape
+  class Entity
+    module Exposure
+      class BlockExposure < Base
+        attr_reader :block
+
+        def value(entity, options)
+          entity.exec_with_object(options, &@block)
+        end
+
+        def valid?(_entity)
+          true
+        end
+
+        def setup_options(&block)
+          @block = block
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/delegator_exposure.rb b/lib/grape_entity/exposure/delegator_exposure.rb
new file mode 100644
index 00000000..1f24d989
--- /dev/null
+++ b/lib/grape_entity/exposure/delegator_exposure.rb
@@ -0,0 +1,11 @@
+module Grape
+  class Entity
+    module Exposure
+      class DelegatorExposure < Base
+        def value(entity, _options)
+          entity.delegate_attribute(attribute)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/formatter_block_exposure.rb b/lib/grape_entity/exposure/formatter_block_exposure.rb
new file mode 100644
index 00000000..f164afee
--- /dev/null
+++ b/lib/grape_entity/exposure/formatter_block_exposure.rb
@@ -0,0 +1,15 @@
+module Grape
+  class Entity
+    module Exposure
+      class FormatterBlockExposure < Base
+        def setup_options(&format_with)
+          @format_with = format_with
+        end
+
+        def value(entity, _options)
+          entity.exec_with_attribute(attribute, &@format_with)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/formatter_exposure.rb b/lib/grape_entity/exposure/formatter_exposure.rb
new file mode 100644
index 00000000..7818bdfd
--- /dev/null
+++ b/lib/grape_entity/exposure/formatter_exposure.rb
@@ -0,0 +1,20 @@
+module Grape
+  class Entity
+    module Exposure
+      class FormatterExposure < Base
+        def setup_options(format_with)
+          @format_with = format_with
+        end
+
+        def value(entity, _options)
+          formatters = entity.class.formatters
+          if formatters[@format_with]
+            entity.exec_with_attribute(attribute, &formatters[@format_with])
+          else
+            entity.send(@format_with, entity.delegate_attribute(attribute))
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/nesting_exposure.rb b/lib/grape_entity/exposure/nesting_exposure.rb
new file mode 100644
index 00000000..bad372a3
--- /dev/null
+++ b/lib/grape_entity/exposure/nesting_exposure.rb
@@ -0,0 +1,34 @@
+module Grape
+  class Entity
+    module Exposure
+      class NestingExposure < Base
+        attr_reader :nested_exposures
+
+        def initialize(*args)
+          super
+          @nested_exposures = []
+        end
+
+        def nesting?
+          true
+        end
+
+        def find_nested_exposure(attribute)
+          nested_exposures.find { |e| e.attribute == attribute }
+        end
+
+        def valid?(entity)
+          nested_exposures.all? { |e| e.valid?(entity) }
+        end
+
+        def value(entity, options)
+          nested_exposures.each_with_object({}) do |nested_exposure, attributes|
+            if nested_exposure.conditions_met?(entity, options)
+              attributes[nested_exposure.key] = nested_exposure.value(entity, options)
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/exposure/represent_exposure.rb b/lib/grape_entity/exposure/represent_exposure.rb
new file mode 100644
index 00000000..6d93017d
--- /dev/null
+++ b/lib/grape_entity/exposure/represent_exposure.rb
@@ -0,0 +1,40 @@
+module Grape
+  class Entity
+    module Exposure
+      class RepresentExposure < Base
+        attr_reader :using_class_name, :subexposure
+        def setup_options(using_class_name, subexposure)
+          @using_class_name = using_class_name
+          @subexposure = subexposure
+        end
+
+        def value(entity, options)
+          using_options = using_options_for(options)
+          using_class.represent(@subexposure.value(entity, options), using_options)
+        end
+
+        def valid?(entity)
+          @subexposure.valid? entity
+        end
+
+        def using_class
+          @using_class ||= if @using_class_name.respond_to? :constantize
+                             @using_class_name.constantize
+                           else
+                             @using_class_name
+                           end
+        end
+
+        def using_options_for(options)
+          using_options = options.opts.dup
+          using_options.delete(:collection)
+          using_options[:root] = nil
+          using_options[:only] = options.only_fields(attribute)
+          using_options[:except] = options.except_fields(attribute)
+
+          using_options
+        end
+      end
+    end
+  end
+end
diff --git a/lib/grape_entity/options.rb b/lib/grape_entity/options.rb
new file mode 100644
index 00000000..0114c58e
--- /dev/null
+++ b/lib/grape_entity/options.rb
@@ -0,0 +1,85 @@
+module Grape
+  class Entity
+    class Options
+      attr_reader :opts
+
+      def initialize(opts = {})
+        @opts = opts
+      end
+
+      def [](key)
+        @opts[key]
+      end
+
+      def key?(key)
+        @opts.key? key
+      end
+
+      def merge(opts)
+        if opts.empty?
+          self
+        else
+          self.class.new(@opts.merge(opts))
+        end
+      end
+
+      def ==(other)
+        if other.is_a? Options
+          @opts == other.opts
+        else
+          @opts == other
+        end
+      end
+
+      def should_return_key?(key)
+        only = only_fields.nil? ||
+               only_fields.include?(key)
+        except = except_fields && except_fields.include?(key) &&
+                 except_fields[key] == true
+        only && !except
+      end
+
+      def only_fields(for_attribute = nil)
+        return nil unless @opts[:only]
+
+        @only_fields ||= @opts[:only].each_with_object({}) do |attribute, allowed_fields|
+          if attribute.is_a?(Hash)
+            attribute.each do |attr, nested_attrs|
+              allowed_fields[attr] ||= []
+              allowed_fields[attr] += nested_attrs
+            end
+          else
+            allowed_fields[attribute] = true
+          end
+        end.symbolize_keys
+
+        if for_attribute && @only_fields[for_attribute].is_a?(Array)
+          @only_fields[for_attribute]
+        elsif for_attribute.nil?
+          @only_fields
+        end
+      end
+
+      def except_fields(for_attribute = nil)
+        return nil unless @opts[:except]
+
+        @except_fields ||= @opts[:except].each_with_object({}) do |attribute, allowed_fields|
+          if attribute.is_a?(Hash)
+            attribute.each do |attr, nested_attrs|
+              allowed_fields[attr] ||= []
+              allowed_fields[attr] += nested_attrs
+            end
+          else
+            allowed_fields[attribute] = true
+          end
+        end.symbolize_keys
+
+        if for_attribute && @except_fields[for_attribute].is_a?(Array)
+          @except_fields[for_attribute]
+        elsif for_attribute.nil?
+          @except_fields
+        end
+      end
+    end
+  end
+end
diff --git a/spec/grape_entity/entity_spec.rb b/spec/grape_entity/entity_spec.rb
index f11cacd0..6f3e3f8a 100644
--- a/spec/grape_entity/entity_spec.rb
+++ b/spec/grape_entity/entity_spec.rb
@@ -16,7 +16,7 @@
 
         it 'sets the same options for all exposures passed' do
           subject.expose :name, :email, :location, documentation: true
-          subject.exposures.values.each { |v| expect(v).to eq(documentation: true) }
+          subject.exposures.each { |v| expect(v.documentation).to eq true }
         end
       end
 
@@ -61,10 +61,10 @@ class BogusEntity < Grape::Entity
           end
 
           object = EntitySpec::SomeObject1.new
-          value = subject.represent(object).send(:value_for, :bogus)
+          value = subject.represent(object).value_for(:bogus)
           expect(value).to be_instance_of EntitySpec::BogusEntity
 
-          prop1 = value.send(:value_for, :prop1)
+          prop1 = value.value_for(:prop1)
           expect(prop1).to eq 'MODIFIED 2'
         end
 
@@ -72,12 +72,14 @@ class BogusEntity < Grape::Entity
           it 'sets the :proc option in the exposure options' do
             block = ->(_) { true }
             subject.expose :name, using: 'Awesome', &block
-            expect(subject.exposures[:name]).to eq(proc: block, using: 'Awesome')
+            exposure = subject.find_exposure(:name)
+            expect(exposure.subexposure.block).to eq(block)
+            expect(exposure.using_class_name).to eq('Awesome')
           end
 
           it 'references an instance of the entity without any options' do
             subject.expose(:size) { |_| self }
-            expect(subject.represent({}).send(:value_for, :size)).to be_an_instance_of fresh_class
+            expect(subject.represent({}).value_for(:size)).to be_an_instance_of fresh_class
           end
         end
 
@@ -90,12 +92,17 @@ class BogusEntity < Grape::Entity
               subject.expose :another_nested, using: 'Awesome'
             end
 
-            expect(subject.exposures).to eq(
-              awesome: {},
-              awesome__nested: { nested: true },
-              awesome__nested__moar_nested: { as: 'weee', nested: true },
-              awesome__another_nested: { using: 'Awesome', nested: true }
-            )
+            awesome = subject.find_exposure(:awesome)
+            nested = awesome.find_nested_exposure(:nested)
+            another_nested = awesome.find_nested_exposure(:another_nested)
+            moar_nested = nested.find_nested_exposure(:moar_nested)
+
+            expect(awesome).to be_nesting
+            expect(nested).to_not be_nil
+            expect(another_nested).to_not be_nil
+            expect(another_nested.using_class_name).to eq('Awesome')
+            expect(moar_nested).to_not be_nil
+            expect(moar_nested.key).to eq(:weee)
           end
 
           it 'represents the exposure as a hash of its nested exposures' do
@@ -104,7 +111,7 @@ class BogusEntity < Grape::Entity
               subject.expose(:another_nested) { |_| 'value' }
             end
 
-            expect(subject.represent({}).send(:value_for, :awesome)).to eq(
+            expect(subject.represent({}).value_for(:awesome)).to eq(
               nested: 'value',
               another_nested: 'value'
             )
@@ -116,7 +123,7 @@ class BogusEntity < Grape::Entity
               subject.expose(:condition_not_met, if: ->(_, _) { false }) { |_| 'value' }
             end
 
-            expect(subject.represent({}).send(:value_for, :awesome)).to eq(condition_met: 'value')
+            expect(subject.represent({}).value_for(:awesome)).to eq(condition_met: 'value')
           end
 
           it 'does not represent attributes, declared inside nested exposure, outside of it' do
@@ -225,8 +232,8 @@ class Parent < Person
             'foo'
           end
 
-          expect(subject.exposures[:name]).not_to have_key :proc
-          expect(child_class.exposures[:name]).to have_key :proc
+          expect(subject.represent({ name: 'bar' }, serializable: true)).to eq(email: nil, name: 'bar')
+          expect(child_class.represent({ name: 'bar' }, serializable: true)).to eq(email: nil, name: 'foo')
         end
       end
 
@@ -265,7 +272,7 @@ class Parent < Person
           object = {}
 
           subject.expose(:size, format_with: ->(_value) { self.object.class.to_s })
-          expect(subject.represent(object).send(:value_for, :size)).to eq object.class.to_s
+          expect(subject.represent(object).value_for(:size)).to eq object.class.to_s
         end
 
         it 'formats an exposure with a :format_with symbol that returns a value from the entity instance' do
@@ -276,7 +283,7 @@ class Parent < Person
           object = {}
 
           subject.expose(:size, format_with: :size_formatter)
-          expect(subject.represent(object).send(:value_for, :size)).to eq object.class.to_s
+          expect(subject.represent(object).value_for(:size)).to eq object.class.to_s
         end
       end
     end
@@ -286,7 +293,8 @@ class Parent < Person
         subject.expose :name, :email
         subject.unexpose :email
 
-        expect(subject.exposures).to eq(name: {})
+        expect(subject.root_exposures.length).to eq 1
+        expect(subject.root_exposures[0].attribute).to eq :name
       end
 
       context 'inherited exposures' do
@@ -295,8 +303,10 @@ class Parent < Person
           child_class = Class.new(subject)
           child_class.unexpose :email
 
-          expect(child_class.exposures).to eq(name: {})
-          expect(subject.exposures).to eq(name: {}, email: {})
+          expect(child_class.root_exposures.length).to eq 1
+          expect(child_class.root_exposures[0].attribute).to eq :name
+          expect(subject.root_exposures[0].attribute).to eq :name
+          expect(subject.root_exposures[1].attribute).to eq :email
         end
 
         context 'when called from the parent class' do
@@ -305,8 +315,10 @@ class Parent < Person
             child_class = Class.new(subject)
             subject.unexpose :email
 
-            expect(subject.exposures).to eq(name: {})
-            expect(child_class.exposures).to eq(name: {}, email: {})
+            expect(subject.root_exposures.length).to eq 1
+            expect(subject.root_exposures[0].attribute).to eq :name
+            expect(child_class.root_exposures[0].attribute).to eq :name
+            expect(child_class.root_exposures[1].attribute).to eq :email
           end
         end
       end
@@ -330,7 +342,9 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(if: { awesome: true }, using: 'Awesome')
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.using_class_name).to eq('Awesome')
+        expect(exposure.conditions[0].cond_hash).to eq(awesome: true)
       end
 
       it 'allows for nested .with_options' do
@@ -342,7 +356,9 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(if: { awesome: true }, using: 'Something')
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.using_class_name).to eq('Something')
+        expect(exposure.conditions[0].cond_hash).to eq(awesome: true)
       end
 
       it 'overrides nested :as option' do
@@ -352,7 +368,8 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(as: :extra_smooth)
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.key).to eq :extra_smooth
       end
 
       it 'merges nested :if option' do
@@ -374,10 +391,11 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(
-          if: { awesome: false, less_awesome: true },
-          if_extras: [:awesome, match_proc]
-        )
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.conditions.any?(&:inversed?)).to be_falsey
+        expect(exposure.conditions[0].symbol).to eq(:awesome)
+        expect(exposure.conditions[1].block).to eq(match_proc)
+        expect(exposure.conditions[2].cond_hash).to eq(awesome: false, less_awesome: true)
       end
 
       it 'merges nested :unless option' do
@@ -399,10 +417,11 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(
-          unless: { awesome: false, less_awesome: true },
-          unless_extras: [:awesome, match_proc]
-        )
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.conditions.all?(&:inversed?)).to be_truthy
+        expect(exposure.conditions[0].symbol).to eq(:awesome)
+        expect(exposure.conditions[1].block).to eq(match_proc)
+        expect(exposure.conditions[2].cond_hash).to eq(awesome: false, less_awesome: true)
       end
 
       it 'overrides nested :using option' do
@@ -412,7 +431,8 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(using: 'SomethingElse')
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.using_class_name).to eq('SomethingElse')
       end
 
       it 'aliases :with option to :using option' do
@@ -421,7 +441,9 @@ class Parent < Person
             expose :awesome_thing, with: 'SomethingElse'
           end
         end
-        expect(subject.exposures[:awesome_thing]).to eq(using: 'SomethingElse')
+
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.using_class_name).to eq('SomethingElse')
       end
 
       it 'overrides nested :proc option' do
@@ -433,7 +455,8 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(proc: match_proc)
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.block).to eq(match_proc)
       end
 
       it 'overrides nested :documentation option' do
@@ -443,7 +466,8 @@ class Parent < Person
           end
         end
 
-        expect(subject.exposures[:awesome_thing]).to eq(documentation: { desc: 'Other description.' })
+        exposure = subject.find_exposure(:awesome_thing)
+        expect(exposure.documentation).to eq(desc: 'Other description.')
       end
     end
 
@@ -1013,11 +1037,11 @@ def timestamp(date)
       end
 
       it 'passes through bare expose attributes' do
-        expect(subject.send(:value_for, :name)).to eq attributes[:name]
+        expect(subject.value_for(:name)).to eq attributes[:name]
       end
 
       it 'instantiates a representation if that is called for' do
-        rep = subject.send(:value_for, :friends)
+        rep = subject.value_for(:friends)
         expect(rep.reject { |r| r.is_a?(fresh_class) }).to be_empty
         expect(rep.first.serializable_hash[:name]).to eq 'Friend 1'
         expect(rep.last.serializable_hash[:name]).to eq 'Friend 2'
@@ -1036,7 +1060,7 @@ class FriendEntity < Grape::Entity
             expose :friends, using: EntitySpec::FriendEntity
           end
 
-          rep = subject.send(:value_for, :friends)
+          rep = subject.value_for(:friends)
           expect(rep).to be_kind_of Array
           expect(rep.reject { |r| r.is_a?(EntitySpec::FriendEntity) }).to be_empty
           expect(rep.first.serializable_hash[:name]).to eq 'Friend 1'
@@ -1057,7 +1081,7 @@ class FriendEntity < Grape::Entity
             end
           end
 
-          rep = subject.send(:value_for, :custom_friends)
+          rep = subject.value_for(:custom_friends)
           expect(rep).to be_kind_of Array
           expect(rep.reject { |r| r.is_a?(EntitySpec::FriendEntity) }).to be_empty
           expect(rep.first.serializable_hash).to eq(name: 'Friend 1', email: 'friend1@example.com')
@@ -1078,7 +1102,7 @@ class FriendEntity < Grape::Entity
             end
           end
 
-          rep = subject.send(:value_for, :first_friend)
+          rep = subject.value_for(:first_friend)
           expect(rep).to be_kind_of EntitySpec::FriendEntity
           expect(rep.serializable_hash).to eq(name: 'Friend 1', email: 'friend1@example.com')
         end
@@ -1096,7 +1120,7 @@ class FriendEntity < Grape::Entity
             end
           end
 
-          rep = subject.send(:value_for, :first_friend)
+          rep = subject.value_for(:first_friend)
           expect(rep).to be_kind_of EntitySpec::FriendEntity
           expect(rep.serializable_hash).to be_nil
         end
@@ -1113,7 +1137,7 @@ class CharacteristicsEntity < Grape::Entity
             expose :characteristics, using: EntitySpec::CharacteristicsEntity
           end
 
-          rep = subject.send(:value_for, :characteristics)
+          rep = subject.value_for(:characteristics)
           expect(rep).to be_kind_of Array
           expect(rep.reject { |r| r.is_a?(EntitySpec::CharacteristicsEntity) }).to be_empty
           expect(rep.first.serializable_hash[:key]).to eq 'hair_color'
@@ -1125,7 +1149,7 @@ module EntitySpec
             class FriendEntity < Grape::Entity
               root 'friends', 'friend'
               expose :name
-              expose :email, if: { user_type: :admin }
+              expose :email, rewrite: true, if: { user_type: :admin }
             end
           end
 
@@ -1133,13 +1157,13 @@ class FriendEntity < Grape::Entity
             expose :friends, using: EntitySpec::FriendEntity
           end
 
-          rep = subject.send(:value_for, :friends)
+          rep = subject.value_for(:friends)
           expect(rep).to be_kind_of Array
           expect(rep.reject { |r| r.is_a?(EntitySpec::FriendEntity) }).to be_empty
           expect(rep.first.serializable_hash[:email]).to be_nil
           expect(rep.last.serializable_hash[:email]).to be_nil
 
-          rep = subject.send(:value_for, :friends,  user_type: :admin)
+          rep = subject.value_for(:friends, Grape::Entity::Options.new(user_type: :admin))
           expect(rep).to be_kind_of Array
           expect(rep.reject { |r| r.is_a?(EntitySpec::FriendEntity) }).to be_empty
           expect(rep.first.serializable_hash[:email]).to eq 'friend1@example.com'
@@ -1159,7 +1183,7 @@ class FriendEntity < Grape::Entity
             expose :friends, using: EntitySpec::FriendEntity
           end
 
-          rep = subject.send(:value_for, :friends,  collection: false)
+          rep = subject.value_for(:friends, Grape::Entity::Options.new(collection: false))
           expect(rep).to be_kind_of Array
           expect(rep.reject { |r| r.is_a?(EntitySpec::FriendEntity) }).to be_empty
           expect(rep.first.serializable_hash[:email]).to eq 'friend1@example.com'
@@ -1168,15 +1192,15 @@ class FriendEntity < Grape::Entity
       end
 
       it 'calls through to the proc if there is one' do
-        expect(subject.send(:value_for, :computed, awesome: 123)).to eq 123
+        expect(subject.value_for(:computed, Grape::Entity::Options.new(awesome: 123))).to eq 123
       end
 
       it 'returns a formatted value if format_with is passed' do
-        expect(subject.send(:value_for, :birthday)).to eq '02/27/2012'
+        expect(subject.value_for(:birthday)).to eq '02/27/2012'
       end
 
       it 'returns a formatted value if format_with is passed a lambda' do
-        expect(subject.send(:value_for, :fantasies)).to eq ['Nessy', 'Double Rainbows', 'Unicorns']
+        expect(subject.value_for(:fantasies)).to eq ['Nessy', 'Double Rainbows', 'Unicorns']
       end
 
       it 'tries instance methods on the entity first' do
@@ -1196,8 +1220,8 @@ def name
 
         friend = double('Friend', name: 'joe', email: 'joe@example.com')
         rep = EntitySpec::DelegatingEntity.new(friend)
-        expect(rep.send(:value_for, :name)).to eq 'cooler name'
-        expect(rep.send(:value_for, :email)).to eq 'joe@example.com'
+        expect(rep.value_for(:name)).to eq 'cooler name'
+        expect(rep.value_for(:email)).to eq 'joe@example.com'
       end
 
       context 'using' do
@@ -1213,7 +1237,7 @@ class UserEntity < Grape::Entity
             expose :friends, using: 'EntitySpec::UserEntity'
           end
 
-          rep = subject.send(:value_for, :friends)
+          rep = subject.value_for(:friends)
           expect(rep).to be_kind_of Array
           expect(rep.size).to eq 2
           expect(rep.all? { |r| r.is_a?(EntitySpec::UserEntity) }).to be true
@@ -1224,7 +1248,7 @@ class UserEntity < Grape::Entity
             expose :friends, using: EntitySpec::UserEntity
           end
 
-          rep = subject.send(:value_for, :friends)
+          rep = subject.value_for(:friends)
           expect(rep).to be_kind_of Array
           expect(rep.size).to eq 2
           expect(rep.all? { |r| r.is_a?(EntitySpec::UserEntity) }).to be true
@@ -1298,78 +1322,6 @@ class UserEntity < Grape::Entity
       end
     end
 
-    describe '#key_for' do
-      it 'returns the attribute if no :as is set' do
-        fresh_class.expose :name
-        expect(subject.class.send(:key_for, :name)).to eq :name
-      end
-
-      it 'returns a symbolized version of the attribute' do
-        fresh_class.expose :name
-        expect(subject.class.send(:key_for, 'name')).to eq :name
-      end
-
-      it 'returns the :as alias if one exists' do
-        fresh_class.expose :name, as: :nombre
-        expect(subject.class.send(:key_for, 'name')).to eq :nombre
-      end
-    end
-
-    describe '#conditions_met?' do
-      it 'only passes through hash :if exposure if all attributes match' do
-        exposure_options = { if: { condition1: true, condition2: true } }
-
-        expect(subject.send(:conditions_met?, exposure_options, {})).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: true, condition2: true)).to be true
-        expect(subject.send(:conditions_met?, exposure_options, condition1: false, condition2: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: true, condition2: true, other: true)).to be true
-      end
-
-      it 'looks for presence/truthiness if a symbol is passed' do
-        exposure_options = { if: :condition1 }
-
-        expect(subject.send(:conditions_met?, exposure_options, {})).to be false
-        expect(subject.send(:conditions_met?, exposure_options,  condition1: true)).to be true
-        expect(subject.send(:conditions_met?, exposure_options,  condition1: false)).to be false
-        expect(subject.send(:conditions_met?, exposure_options,  condition1: nil)).to be false
-      end
-
-      it 'looks for absence/falsiness if a symbol is passed' do
-        exposure_options = { unless: :condition1 }
-
-        expect(subject.send(:conditions_met?, exposure_options, {})).to be true
-        expect(subject.send(:conditions_met?, exposure_options,  condition1: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options,  condition1: false)).to be true
-        expect(subject.send(:conditions_met?, exposure_options,  condition1: nil)).to be true
-      end
-
-      it 'only passes through proc :if exposure if it returns truthy value' do
-        exposure_options = { if: ->(_, opts) { opts[:true] } }
-
-        expect(subject.send(:conditions_met?, exposure_options, true: false)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, true: true)).to be true
-      end
-
-      it 'only passes through hash :unless exposure if any attributes do not match' do
-        exposure_options = { unless: { condition1: true, condition2: true } }
-
-        expect(subject.send(:conditions_met?, exposure_options, {})).to be true
-        expect(subject.send(:conditions_met?, exposure_options, condition1: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: true, condition2: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: false, condition2: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: true, condition2: true, other: true)).to be false
-        expect(subject.send(:conditions_met?, exposure_options, condition1: false, condition2: false)).to be true
-      end
-
-      it 'only passes through proc :unless exposure if it returns falsy value' do
-        exposure_options = { unless: ->(_, opts) { opts[:true] == true } }
-
-        expect(subject.send(:conditions_met?, exposure_options, true: false)).to be true
-        expect(subject.send(:conditions_met?, exposure_options, true: true)).to be false
-      end
-    end
-
     describe '::DSL' do
       subject { Class.new }
 
diff --git a/spec/grape_entity/exposure_spec.rb b/spec/grape_entity/exposure_spec.rb
new file mode 100644
index 00000000..dc318320
--- /dev/null
+++ b/spec/grape_entity/exposure_spec.rb
@@ -0,0 +1,90 @@
+require 'spec_helper'
+
+describe Grape::Entity::Exposure do
+  let(:fresh_class) { Class.new(Grape::Entity) }
+  let(:model) { double(attributes) }
+  let(:attributes) do
+    {
+      name: 'Bob Bobson',
+      email: 'bob@example.com',
+      birthday: Time.gm(2012, 2, 27),
+      fantasies: ['Unicorns', 'Double Rainbows', 'Nessy'],
+      characteristics: [
+        { key: 'hair_color', value: 'brown' }
+      ],
+      friends: [
+        double(name: 'Friend 1', email: 'friend1@example.com', characteristics: [], fantasies: [], birthday: Time.gm(2012, 2, 27), friends: []),
+        double(name: 'Friend 2', email: 'friend2@example.com', characteristics: [], fantasies: [], birthday: Time.gm(2012, 2, 27), friends: [])
+      ]
+    }
+  end
+  let(:entity) { fresh_class.new(model) }
+  subject { fresh_class.find_exposure(:name) }
+
+  describe '#key' do
+    it 'returns the attribute if no :as is set' do
+      fresh_class.expose :name
+      expect(subject.key).to eq :name
+    end
+
+    it 'returns the :as alias if one exists' do
+      fresh_class.expose :name, as: :nombre
+      expect(subject.key).to eq :nombre
+    end
+  end
+
+  describe '#conditions_met?' do
+    it 'only passes through hash :if exposure if all attributes match' do
+      fresh_class.expose :name, if: { condition1: true, condition2: true }
+
+      expect(subject.conditions_met?(entity, {})).to be false
+      expect(subject.conditions_met?(entity, condition1: true)).to be false
+      expect(subject.conditions_met?(entity, condition1: true, condition2: true)).to be true
+      expect(subject.conditions_met?(entity, condition1: false, condition2: true)).to be false
+      expect(subject.conditions_met?(entity, condition1: true, condition2: true, other: true)).to be true
+    end
+
+    it 'looks for presence/truthiness if a symbol is passed' do
+      fresh_class.expose :name, if: :condition1
+
+      expect(subject.conditions_met?(entity, {})).to be false
+      expect(subject.conditions_met?(entity, condition1: true)).to be true
+      expect(subject.conditions_met?(entity, condition1: false)).to be false
+      expect(subject.conditions_met?(entity, condition1: nil)).to be false
+    end
+
+    it 'looks for absence/falsiness if a symbol is passed' do
+      fresh_class.expose :name, unless: :condition1
+
+      expect(subject.conditions_met?(entity, {})).to be true
+      expect(subject.conditions_met?(entity, condition1: true)).to be false
+      expect(subject.conditions_met?(entity, condition1: false)).to be true
+      expect(subject.conditions_met?(entity, condition1: nil)).to be true
+    end
+
+    it 'only passes through proc :if exposure if it returns truthy value' do
+      fresh_class.expose :name, if: ->(_, opts) { opts[:true] }
+
+      expect(subject.conditions_met?(entity, true: false)).to be false
+      expect(subject.conditions_met?(entity, true: true)).to be true
+    end
+
+    it 'only passes through hash :unless exposure if any attributes do not match' do
+      fresh_class.expose :name, unless: { condition1: true, condition2: true }
+
+      expect(subject.conditions_met?(entity, {})).to be true
+      expect(subject.conditions_met?(entity, condition1: true)).to be true
+      expect(subject.conditions_met?(entity, condition1: true, condition2: true)).to be false
+      expect(subject.conditions_met?(entity, condition1: false, condition2: true)).to be true
+      expect(subject.conditions_met?(entity, condition1: true, condition2: true, other: true)).to be false
+      expect(subject.conditions_met?(entity, condition1: false, condition2: false)).to be true
+    end
+
+    it 'only passes through proc :unless exposure if it returns falsy value' do
+      fresh_class.expose :name, unless: ->(_, opts) { opts[:true] == true }
+
+      expect(subject.conditions_met?(entity, true: false)).to be true
+      expect(subject.conditions_met?(entity, true: true)).to be false
+    end
+  end
+end