Remove type erasure of the Error response, as it is always the same type (#10460)

modules/openapi-generator/src/main/resources/swift5/APIs.mustache

@@ -57,7 +57,7 @@ import Vapor
         }
     }
 
-    {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} func execute(_ apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} func execute(_ apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}public{{/nonPublicApi}} func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

modules/openapi-generator/src/main/resources/swift5/api.mustache

@@ -220,7 +220,7 @@ extension {{projectName}}API {
     {{#isDeprecated}}
     @available(*, deprecated, message: "This operation is deprecated.")
     {{/isDeprecated}}
-    open class func {{operationId}}({{#allParams}}{{paramName}}: {{#isEnum}}{{#isContainer}}{{{dataType}}}{{/isContainer}}{{^isContainer}}{{{datatypeWithEnum}}}_{{operationId}}{{/isContainer}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{^required}}? = nil{{/required}}{{^-last}}, {{/-last}}{{/allParams}}{{#hasParams}}, {{/hasParams}}apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<{{{returnType}}}{{^returnType}}Void{{/returnType}}, Error>) -> Void)) {
+    open class func {{operationId}}({{#allParams}}{{paramName}}: {{#isEnum}}{{#isContainer}}{{{dataType}}}{{/isContainer}}{{^isContainer}}{{{datatypeWithEnum}}}_{{operationId}}{{/isContainer}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{^required}}? = nil{{/required}}{{^-last}}, {{/-last}}{{/allParams}}{{#hasParams}}, {{/hasParams}}apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<{{{returnType}}}{{^returnType}}Void{{/returnType}}, ErrorResponse>) -> Void)) {
         {{operationId}}WithRequestBuilder({{#allParams}}{{paramName}}: {{paramName}}{{^-last}}, {{/-last}}{{/allParams}}).execute(apiResponseQueue) { result in
             switch result {
             {{#returnType}}

modules/openapi-generator/src/main/resources/swift5/libraries/alamofire/AlamofireImplementations.mustache

@@ -78,7 +78,7 @@ private var managerStore = SynchronizedDictionary<String, Alamofire.Session>()
         return manager.request(URLString, method: method, parameters: parameters, encoding: encoding, headers: HTTPHeaders(headers))
     }
 
-    override {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} func execute(_ apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} func execute(_ apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let managerId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let manager = createAlamofireSession()
@@ -144,7 +144,7 @@ private var managerStore = SynchronizedDictionary<String, Alamofire.Session>()
         }
     }
 
-    fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         if let credential = self.credential {
             request.authenticate(with: credential)
         }
@@ -316,7 +316,7 @@ private var managerStore = SynchronizedDictionary<String, Alamofire.Session>()
 
 {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} class AlamofireDecodableRequestBuilder<T: Decodable>: AlamofireRequestBuilder<T> {
 
-    override fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         if let credential = self.credential {
             request.authenticate(with: credential)
         }

modules/openapi-generator/src/main/resources/swift5/libraries/urlsession/URLSessionImplementations.mustache

@@ -93,7 +93,7 @@ private var urlSessionStore = SynchronizedDictionary<String, URLSession>()
         return modifiedRequest
     }
 
-    override {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} func execute(_ apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} func execute(_ apiResponseQueue: DispatchQueue = {{projectName}}API.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ private var urlSessionStore = SynchronizedDictionary<String, URLSession>()
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ private var urlSessionStore = SynchronizedDictionary<String, URLSession>()
 }
 
 {{#nonPublicApi}}internal{{/nonPublicApi}}{{^nonPublicApi}}open{{/nonPublicApi}} class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -46,7 +46,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/AlamofireImplementations.swift

@@ -78,7 +78,7 @@ open class AlamofireRequestBuilder<T>: RequestBuilder<T> {
         return manager.request(URLString, method: method, parameters: parameters, encoding: encoding, headers: HTTPHeaders(headers))
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let managerId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let manager = createAlamofireSession()
@@ -144,7 +144,7 @@ open class AlamofireRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         if let credential = self.credential {
             request.authenticate(with: credential)
         }
@@ -316,7 +316,7 @@ open class AlamofireRequestBuilder<T>: RequestBuilder<T> {
 
 open class AlamofireDecodableRequestBuilder<T: Decodable>: AlamofireRequestBuilder<T> {
 
-    override fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequest(request: DataRequest, _ managerId: String, _ apiResponseQueue: DispatchQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         if let credential = self.credential {
             request.authenticate(with: credential)
         }

samples/client/petstore/swift5/asyncAwaitLibrary/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/asyncAwaitLibrary/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ internal class RequestBuilder<T> {
         }
     }
 
-    internal func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    internal func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     internal func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ internal class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override internal func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override internal func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ internal class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ internal class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 internal class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/oneOf/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/oneOf/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -40,7 +40,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift

@@ -19,7 +19,7 @@ open class AnotherFakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func call123testSpecialTags(body: Client, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Client, Error>) -> Void)) {
+    open class func call123testSpecialTags(body: Client, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Client, ErrorResponse>) -> Void)) {
         call123testSpecialTagsWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift

@@ -18,7 +18,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func fakeOuterBooleanSerialize(body: Bool? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Bool, Error>) -> Void)) {
+    open class func fakeOuterBooleanSerialize(body: Bool? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Bool, ErrorResponse>) -> Void)) {
         fakeOuterBooleanSerializeWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -59,7 +59,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func fakeOuterCompositeSerialize(body: OuterComposite? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<OuterComposite, Error>) -> Void)) {
+    open class func fakeOuterCompositeSerialize(body: OuterComposite? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<OuterComposite, ErrorResponse>) -> Void)) {
         fakeOuterCompositeSerializeWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -100,7 +100,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func fakeOuterNumberSerialize(body: Double? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Double, Error>) -> Void)) {
+    open class func fakeOuterNumberSerialize(body: Double? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Double, ErrorResponse>) -> Void)) {
         fakeOuterNumberSerializeWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -141,7 +141,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func fakeOuterStringSerialize(body: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<String, Error>) -> Void)) {
+    open class func fakeOuterStringSerialize(body: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<String, ErrorResponse>) -> Void)) {
         fakeOuterStringSerializeWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -182,7 +182,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testBodyWithFileSchema(body: FileSchemaTestClass, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testBodyWithFileSchema(body: FileSchemaTestClass, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testBodyWithFileSchemaWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -224,7 +224,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testBodyWithQueryParams(query: String, body: User, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testBodyWithQueryParams(query: String, body: User, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testBodyWithQueryParamsWithRequestBuilder(query: query, body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -269,7 +269,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testClientModel(body: Client, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Client, Error>) -> Void)) {
+    open class func testClientModel(body: Client, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Client, ErrorResponse>) -> Void)) {
         testClientModelWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -325,7 +325,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testEndpointParameters(number: Double, double: Double, patternWithoutDelimiter: String, byte: Data, integer: Int? = nil, int32: Int? = nil, int64: Int64? = nil, float: Float? = nil, string: String? = nil, binary: URL? = nil, date: Date? = nil, dateTime: Date? = nil, password: String? = nil, callback: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testEndpointParameters(number: Double, double: Double, patternWithoutDelimiter: String, byte: Data, integer: Int? = nil, int32: Int? = nil, int64: Int64? = nil, float: Float? = nil, string: String? = nil, binary: URL? = nil, date: Date? = nil, dateTime: Date? = nil, password: String? = nil, callback: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testEndpointParametersWithRequestBuilder(number: number, double: double, patternWithoutDelimiter: patternWithoutDelimiter, byte: byte, integer: integer, int32: int32, int64: int64, float: float, string: string, binary: binary, date: date, dateTime: dateTime, password: password, callback: callback).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -476,7 +476,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testEnumParameters(enumHeaderStringArray: [String]? = nil, enumHeaderString: EnumHeaderString_testEnumParameters? = nil, enumQueryStringArray: [String]? = nil, enumQueryString: EnumQueryString_testEnumParameters? = nil, enumQueryInteger: EnumQueryInteger_testEnumParameters? = nil, enumQueryDouble: EnumQueryDouble_testEnumParameters? = nil, enumFormStringArray: [String]? = nil, enumFormString: EnumFormString_testEnumParameters? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testEnumParameters(enumHeaderStringArray: [String]? = nil, enumHeaderString: EnumHeaderString_testEnumParameters? = nil, enumQueryStringArray: [String]? = nil, enumQueryString: EnumQueryString_testEnumParameters? = nil, enumQueryInteger: EnumQueryInteger_testEnumParameters? = nil, enumQueryDouble: EnumQueryDouble_testEnumParameters? = nil, enumFormStringArray: [String]? = nil, enumFormString: EnumFormString_testEnumParameters? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testEnumParametersWithRequestBuilder(enumHeaderStringArray: enumHeaderStringArray, enumHeaderString: enumHeaderString, enumQueryStringArray: enumQueryStringArray, enumQueryString: enumQueryString, enumQueryInteger: enumQueryInteger, enumQueryDouble: enumQueryDouble, enumFormStringArray: enumFormStringArray, enumFormString: enumFormString).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -545,7 +545,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testGroupParameters(requiredStringGroup: Int, requiredBooleanGroup: Bool, requiredInt64Group: Int64, stringGroup: Int? = nil, booleanGroup: Bool? = nil, int64Group: Int64? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testGroupParameters(requiredStringGroup: Int, requiredBooleanGroup: Bool, requiredInt64Group: Int64, stringGroup: Int? = nil, booleanGroup: Bool? = nil, int64Group: Int64? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testGroupParametersWithRequestBuilder(requiredStringGroup: requiredStringGroup, requiredBooleanGroup: requiredBooleanGroup, requiredInt64Group: requiredInt64Group, stringGroup: stringGroup, booleanGroup: booleanGroup, int64Group: int64Group).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -600,7 +600,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testInlineAdditionalProperties(param: [String: String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testInlineAdditionalProperties(param: [String: String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testInlineAdditionalPropertiesWithRequestBuilder(param: param).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -643,7 +643,7 @@ open class FakeAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testJsonFormData(param: String, param2: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func testJsonFormData(param: String, param2: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         testJsonFormDataWithRequestBuilder(param: param, param2: param2).execute(apiResponseQueue) { result in
             switch result {
             case .success:

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift

@@ -19,7 +19,7 @@ open class FakeClassnameTags123API {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func testClassname(body: Client, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Client, Error>) -> Void)) {
+    open class func testClassname(body: Client, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Client, ErrorResponse>) -> Void)) {
         testClassnameWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift

@@ -19,7 +19,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func addPet(body: Pet, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func addPet(body: Pet, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         addPetWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -65,7 +65,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func deletePet(petId: Int64, apiKey: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func deletePet(petId: Int64, apiKey: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         deletePetWithRequestBuilder(petId: petId, apiKey: apiKey).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -123,7 +123,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func findPetsByStatus(status: [String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<[Pet], Error>) -> Void)) {
+    open class func findPetsByStatus(status: [String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<[Pet], ErrorResponse>) -> Void)) {
         findPetsByStatusWithRequestBuilder(status: status).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -173,7 +173,7 @@ open class PetAPI {
      - parameter completion: completion handler to receive the result
      */
     @available(*, deprecated, message: "This operation is deprecated.")
-    open class func findPetsByTags(tags: [String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<[Pet], Error>) -> Void)) {
+    open class func findPetsByTags(tags: [String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<[Pet], ErrorResponse>) -> Void)) {
         findPetsByTagsWithRequestBuilder(tags: tags).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -223,7 +223,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func getPetById(petId: Int64, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Pet, Error>) -> Void)) {
+    open class func getPetById(petId: Int64, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Pet, ErrorResponse>) -> Void)) {
         getPetByIdWithRequestBuilder(petId: petId).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -272,7 +272,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func updatePet(body: Pet, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func updatePet(body: Pet, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         updatePetWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -319,7 +319,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func updatePetWithForm(petId: Int64, name: String? = nil, status: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func updatePetWithForm(petId: Int64, name: String? = nil, status: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         updatePetWithFormWithRequestBuilder(petId: petId, name: name, status: status).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -377,7 +377,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func uploadFile(petId: Int64, additionalMetadata: String? = nil, file: URL? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<ApiResponse, Error>) -> Void)) {
+    open class func uploadFile(petId: Int64, additionalMetadata: String? = nil, file: URL? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<ApiResponse, ErrorResponse>) -> Void)) {
         uploadFileWithRequestBuilder(petId: petId, additionalMetadata: additionalMetadata, file: file).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -435,7 +435,7 @@ open class PetAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func uploadFileWithRequiredFile(petId: Int64, requiredFile: URL, additionalMetadata: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<ApiResponse, Error>) -> Void)) {
+    open class func uploadFileWithRequiredFile(petId: Int64, requiredFile: URL, additionalMetadata: String? = nil, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<ApiResponse, ErrorResponse>) -> Void)) {
         uploadFileWithRequiredFileWithRequestBuilder(petId: petId, requiredFile: requiredFile, additionalMetadata: additionalMetadata).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift

@@ -19,7 +19,7 @@ open class StoreAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func deleteOrder(orderId: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func deleteOrder(orderId: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         deleteOrderWithRequestBuilder(orderId: orderId).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -64,7 +64,7 @@ open class StoreAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func getInventory(apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<[String: Int], Error>) -> Void)) {
+    open class func getInventory(apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<[String: Int], ErrorResponse>) -> Void)) {
         getInventoryWithRequestBuilder().execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -109,7 +109,7 @@ open class StoreAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func getOrderById(orderId: Int64, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Order, Error>) -> Void)) {
+    open class func getOrderById(orderId: Int64, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Order, ErrorResponse>) -> Void)) {
         getOrderByIdWithRequestBuilder(orderId: orderId).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -155,7 +155,7 @@ open class StoreAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func placeOrder(body: Order, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Order, Error>) -> Void)) {
+    open class func placeOrder(body: Order, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Order, ErrorResponse>) -> Void)) {
         placeOrderWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift

@@ -19,7 +19,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func createUser(body: User, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func createUser(body: User, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         createUserWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -62,7 +62,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func createUsersWithArrayInput(body: [User], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func createUsersWithArrayInput(body: [User], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         createUsersWithArrayInputWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -104,7 +104,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func createUsersWithListInput(body: [User], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func createUsersWithListInput(body: [User], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         createUsersWithListInputWithRequestBuilder(body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -146,7 +146,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func deleteUser(username: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func deleteUser(username: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         deleteUserWithRequestBuilder(username: username).execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -192,7 +192,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func getUserByName(username: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<User, Error>) -> Void)) {
+    open class func getUserByName(username: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<User, ErrorResponse>) -> Void)) {
         getUserByNameWithRequestBuilder(username: username).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -238,7 +238,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func loginUser(username: String, password: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<String, Error>) -> Void)) {
+    open class func loginUser(username: String, password: String, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<String, ErrorResponse>) -> Void)) {
         loginUserWithRequestBuilder(username: username, password: password).execute(apiResponseQueue) { result in
             switch result {
             case let .success(response):
@@ -285,7 +285,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func logoutUser(apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func logoutUser(apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         logoutUserWithRequestBuilder().execute(apiResponseQueue) { result in
             switch result {
             case .success:
@@ -327,7 +327,7 @@ open class UserAPI {
      - parameter apiResponseQueue: The queue on which api response is dispatched.
      - parameter completion: completion handler to receive the result
      */
-    open class func updateUser(username: String, body: User, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, Error>) -> Void)) {
+    open class func updateUser(username: String, body: User, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ result: Swift.Result<Void, ErrorResponse>) -> Void)) {
         updateUserWithRequestBuilder(username: username, body: body).execute(apiResponseQueue) { result in
             switch result {
             case .success:

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))

samples/client/petstore/swift5/x-swift-hashable/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -48,7 +48,7 @@ open class RequestBuilder<T> {
         }
     }
 
-    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) { }
+    open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {

samples/client/petstore/swift5/x-swift-hashable/PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift

@@ -93,7 +93,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         return modifiedRequest
     }
 
-    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override open func execute(_ apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, _ completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
         let urlSessionId = UUID().uuidString
         // Create a new manager for each request to customize its request header
         let urlSession = createURLSession()
@@ -169,7 +169,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
         }
     }
 
-    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))
@@ -310,7 +310,7 @@ open class URLSessionRequestBuilder<T>: RequestBuilder<T> {
 }
 
 open class URLSessionDecodableRequestBuilder<T: Decodable>: URLSessionRequestBuilder<T> {
-    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, Error>) -> Void) {
+    override fileprivate func processRequestResponse(urlRequest: URLRequest, data: Data?, response: URLResponse?, error: Error?, completion: @escaping (_ result: Swift.Result<Response<T>, ErrorResponse>) -> Void) {
 
         if let error = error {
             completion(.failure(ErrorResponse.error(-1, data, response, error)))