Separate ee entities into own class files

ee/lib/ee/api/entities.rb

@@ -265,42 +265,6 @@ module EE
         end
       end
 
-      class EpicIssueLink < Grape::Entity
-        expose :id
-        expose :relative_position
-        expose :epic do |epic_issue_link, _options|
-          ::EE::API::Entities::Epic.represent(epic_issue_link.epic, with_reference: true)
-        end
-        expose :issue, using: ::API::Entities::IssueBasic
-      end
-
-      class IssueLink < Grape::Entity
-        expose :source, as: :source_issue, using: ::API::Entities::IssueBasic
-        expose :target, as: :target_issue, using: ::API::Entities::IssueBasic
-        expose :link_type
-      end
-
-      class SpecialBoardFilter < Grape::Entity
-        expose :title
-      end
-
-      class ApprovalRuleShort < Grape::Entity
-        expose :id, :name, :rule_type
-      end
-
-      class ApprovalRule < ApprovalRuleShort
-        def initialize(object, options = {})
-          presenter = ::ApprovalRulePresenter.new(object, current_user: options[:current_user])
-          super(presenter, options)
-        end
-
-        expose :approvers, as: :eligible_approvers, using: ::API::Entities::UserBasic
-        expose :approvals_required
-        expose :users, using: ::API::Entities::UserBasic
-        expose :groups, using: ::API::Entities::Group
-        expose :contains_hidden_groups?, as: :contains_hidden_groups
-      end
-
       class ProjectApprovalRule < ApprovalRule
         expose :protected_branches, using: ::API::Entities::ProtectedBranch, if: -> (rule, _) { rule.project.multiple_approval_rules_available? }
       end

ee/lib/ee/api/entities/approval_rule.rb

+# frozen_string_literal: true
+
+module EE
+  module API
+    module Entities
+      class ApprovalRule < ApprovalRuleShort
+        def initialize(object, options = {})
+          presenter = ::ApprovalRulePresenter.new(object, current_user: options[:current_user])
+          super(presenter, options)
+        end
+
+        expose :approvers, as: :eligible_approvers, using: ::API::Entities::UserBasic
+        expose :approvals_required
+        expose :users, using: ::API::Entities::UserBasic
+        expose :groups, using: ::API::Entities::Group
+        expose :contains_hidden_groups?, as: :contains_hidden_groups
+      end
+    end
+  end
+end

ee/lib/ee/api/entities/approval_rule_short.rb

+# frozen_string_literal: true
+
+module EE
+  module API
+    module Entities
+      class ApprovalRuleShort < Grape::Entity
+        expose :id, :name, :rule_type
+      end
+    end
+  end
+end

ee/lib/ee/api/entities/epic_issue_link.rb

+# frozen_string_literal: true
+
+module EE
+  module API
+    module Entities
+      class EpicIssueLink < Grape::Entity
+        expose :id
+        expose :relative_position
+        expose :epic do |epic_issue_link, _options|
+          ::EE::API::Entities::Epic.represent(epic_issue_link.epic, with_reference: true)
+        end
+        expose :issue, using: ::API::Entities::IssueBasic
+      end
+    end
+  end
+end

ee/lib/ee/api/entities/issue_link.rb

+# frozen_string_literal: true
+
+module EE
+  module API
+    module Entities
+      class IssueLink < Grape::Entity
+        expose :source, as: :source_issue, using: ::API::Entities::IssueBasic
+        expose :target, as: :target_issue, using: ::API::Entities::IssueBasic
+        expose :link_type
+      end
+    end
+  end
+end

ee/lib/ee/api/entities/special_board_filter.rb

+# frozen_string_literal: true
+
+module EE
+  module API
+    module Entities
+      class SpecialBoardFilter < Grape::Entity
+        expose :title
+      end
+    end
+  end
+end