diff --git a/packages/openapi-ts/rollup.config.ts b/packages/openapi-ts/rollup.config.ts
index 31f149289..9cf57b0ac 100644
--- a/packages/openapi-ts/rollup.config.ts
+++ b/packages/openapi-ts/rollup.config.ts
@@ -25,13 +25,12 @@ export function handlebarsPlugin(): Plugin {
                     knownHelpers: {
                         camelCase: true,
                         dataDestructure: true,
-                        dataParameters: true,
                         equals: true,
-                        escapeDescription: true,
                         ifdef: true,
                         nameOperationDataType: true,
                         notEquals: true,
                         toOperationComment: true,
+                        toRequestOptions: true,
                         useDateType: true,
                     },
                     knownHelpersOnly: true,
diff --git a/packages/openapi-ts/src/compiler/types.ts b/packages/openapi-ts/src/compiler/types.ts
index f0a61719c..416c37f69 100644
--- a/packages/openapi-ts/src/compiler/types.ts
+++ b/packages/openapi-ts/src/compiler/types.ts
@@ -5,15 +5,28 @@ import { addLeadingComment, type Comments, isType, ots } from './utils';
 /**
  * Convert an unknown value to an expression.
  * @param value - the unknown value.
+ * @param unescape - if string should be unescaped.
+ * @param shorthand - if shorthand syntax is allowed.
+ * @param indentifier - list of keys that are treated as indentifiers.
  * @returns ts.Expression
  */
-export const toExpression = (value: unknown, unescape = false): ts.Expression | undefined => {
+const toExpression = <T = unknown>({
+    value,
+    unescape = false,
+    shorthand = false,
+    identifiers = [],
+}: {
+    value: T;
+    unescape?: boolean;
+    shorthand?: boolean;
+    identifiers?: string[];
+}): ts.Expression | undefined => {
     if (Array.isArray(value)) {
         return createArrayType({ arr: value });
     }
 
     if (typeof value === 'object' && value !== null) {
-        return createObjectType({ obj: value });
+        return createObjectType({ identifiers, obj: value, shorthand });
     }
 
     if (typeof value === 'number') {
@@ -47,46 +60,67 @@ export const createArrayType = <T>({
     multiLine?: boolean;
 }): ts.ArrayLiteralExpression =>
     ts.factory.createArrayLiteralExpression(
-        arr.map(v => toExpression(v)).filter(isType<ts.Expression>),
+        arr.map(value => toExpression({ value })).filter(isType<ts.Expression>),
         // Multiline if the array contains objects, or if specified by the user.
         (!Array.isArray(arr[0]) && typeof arr[0] === 'object') || multiLine
     );
 
 /**
  * Create Object type expression.
- * @param options - options to use when creating type.
+ * @param comments - comments to add to each property.
+ * @param identifier - keys that should be treated as identifiers.
+ * @param multiLine - if the object should be multiline.
+ * @param obj - the object to create expression with.
+ * @param shorthand - if shorthand syntax should be used.
+ * @param unescape - if properties strings should be unescaped.
  * @returns ts.ObjectLiteralExpression
  */
 export const createObjectType = <T extends object>({
     comments = {},
+    identifiers = [],
     multiLine = true,
     obj,
+    shorthand = false,
     unescape = false,
 }: {
     obj: T;
+    comments?: Record<string | number, Comments>;
+    identifiers?: string[];
     multiLine?: boolean;
+    shorthand?: boolean;
     unescape?: boolean;
-    comments?: Record<string | number, Comments>;
 }): ts.ObjectLiteralExpression => {
     const properties = Object.entries(obj)
         .map(([key, value]) => {
-            const initializer = toExpression(value, unescape);
+            // Pass all object properties as identifiers if the whole object is a indentifier
+            let initializer: ts.Expression | undefined = toExpression({
+                identifiers: identifiers.includes(key) ? Object.keys(value) : [],
+                shorthand,
+                unescape,
+                value,
+            });
             if (!initializer) {
                 return undefined;
             }
+            // Create a identifier if the current key is one and it is not an object
+            if (identifiers.includes(key) && !ts.isObjectLiteralExpression(initializer)) {
+                initializer = ts.factory.createIdentifier(value as string);
+            }
             if (key.match(/\W/g) && !key.startsWith("'") && !key.endsWith("'")) {
                 key = `'${key}'`;
             }
-            const assignment = ts.factory.createPropertyAssignment(key, initializer);
+            const assignment =
+                shorthand && key === value
+                    ? ts.factory.createShorthandPropertyAssignment(key)
+                    : ts.factory.createPropertyAssignment(key, initializer);
             const c = comments?.[key];
             if (c?.length) {
                 addLeadingComment(assignment, c);
             }
             return assignment;
         })
-        .filter(isType<ts.PropertyAssignment>);
-    const expression = ts.factory.createObjectLiteralExpression(properties, multiLine);
-    return expression;
+        .filter(isType<ts.ShorthandPropertyAssignment | ts.PropertyAssignment>);
+    return ts.factory.createObjectLiteralExpression(properties as any[], multiLine);
 };
 
 /**
@@ -112,7 +146,7 @@ export const createEnumDeclaration = <T extends object>({
         [ts.factory.createModifier(ts.SyntaxKind.ExportKeyword)],
         ts.factory.createIdentifier(name),
         Object.entries(obj).map(([key, value]) => {
-            const initializer = toExpression(value, true);
+            const initializer = toExpression({ unescape: true, value });
             const assignment = ts.factory.createEnumMember(key, initializer);
             const c = comments?.[key];
             if (c) {
diff --git a/packages/openapi-ts/src/templates/exportService.hbs b/packages/openapi-ts/src/templates/exportService.hbs
index fad3a6b66..522c978e0 100644
--- a/packages/openapi-ts/src/templates/exportService.hbs
+++ b/packages/openapi-ts/src/templates/exportService.hbs
@@ -19,73 +19,27 @@ export class {{{name}}}{{{@root.$config.postfixServices}}} {
 	{{#equals @root.$config.client 'angular'}}
 	public {{{name}}}({{{nameOperationDataType 'req' this}}}): Observable<{{{nameOperationDataType 'res' this}}}> {
 		{{{dataDestructure this}}}
-		return this.httpRequest.request({
+		return this.httpRequest.request({{{toRequestOptions this}}});
+	}
 	{{else}}
 	public {{{name}}}({{{nameOperationDataType 'req' this}}}): CancelablePromise<{{{nameOperationDataType 'res' this}}}> {
 		{{{dataDestructure this}}}
-		return this.httpRequest.request({
+		return this.httpRequest.request({{{toRequestOptions this}}});
+	}
 	{{/equals}}
 	{{else}}
 	{{#equals @root.$config.client 'angular'}}
 	public {{{name}}}({{{nameOperationDataType 'req' this}}}): Observable<{{{nameOperationDataType 'res' this}}}> {
 		{{{dataDestructure this}}}
-		return __request(OpenAPI, this.http, {
+		return __request(OpenAPI, this.http, {{{toRequestOptions this}}});
+	}
 	{{else}}
 	public static {{{name}}}({{{nameOperationDataType 'req' this}}}): CancelablePromise<{{{nameOperationDataType 'res' this}}}> {
 		{{{dataDestructure this}}}
-		return __request(OpenAPI, {
+		return __request(OpenAPI, {{{toRequestOptions this}}});
+	}
 	{{/equals}}
 	{{/if}}
-			method: '{{{method}}}',
-			url: '{{{path}}}',
-			{{#if parametersPath}}
-			path: {
-				{{{dataParameters parametersPath}}}
-			},
-			{{/if}}
-			{{#if parametersCookie}}
-			cookies: {
-				{{{dataParameters parametersCookie}}}
-			},
-			{{/if}}
-			{{#if parametersHeader}}
-			headers: {
-				{{{dataParameters parametersHeader}}}
-			},
-			{{/if}}
-			{{#if parametersQuery}}
-			query: {
-				{{{dataParameters parametersQuery}}}
-			},
-			{{/if}}
-			{{#if parametersForm}}
-			formData: {
-				{{{dataParameters parametersForm}}}
-			},
-			{{/if}}
-			{{#if parametersBody}}
-			{{#equals parametersBody.in 'formData'}}
-			formData: {{{parametersBody.name}}},
-			{{/equals}}
-			{{#equals parametersBody.in 'body'}}
-			body: {{{parametersBody.name}}},
-			{{/equals}}
-			{{#if parametersBody.mediaType}}
-			mediaType: '{{{parametersBody.mediaType}}}',
-			{{/if}}
-			{{/if}}
-			{{#if responseHeader}}
-			responseHeader: '{{{responseHeader}}}',
-			{{/if}}
-			{{#if errors}}
-			errors: {
-				{{#each errors}}
-				{{{code}}}: `{{{escapeDescription description}}}`,
-				{{/each}}
-			},
-			{{/if}}
-		});
-	}
 
 	{{/each}}
 }
diff --git a/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts b/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts
index 203d03874..bad7855fb 100644
--- a/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts
+++ b/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts
@@ -29,9 +29,7 @@ describe('registerHandlebarHelpers', () => {
         const helpers = Object.keys(Handlebars.helpers);
         expect(helpers).toContain('camelCase');
         expect(helpers).toContain('dataDestructure');
-        expect(helpers).toContain('dataParameters');
         expect(helpers).toContain('equals');
-        expect(helpers).toContain('escapeDescription');
         expect(helpers).toContain('ifdef');
         expect(helpers).toContain('nameOperationDataType');
         expect(helpers).toContain('notEquals');
diff --git a/packages/openapi-ts/src/utils/handlebars.ts b/packages/openapi-ts/src/utils/handlebars.ts
index 91e5f256e..1873d36fb 100644
--- a/packages/openapi-ts/src/utils/handlebars.ts
+++ b/packages/openapi-ts/src/utils/handlebars.ts
@@ -77,21 +77,6 @@ const dataDestructure = (operation: Operation) => {
     return '';
 };
 
-const dataParameters = (parameters: OperationParameter[]) => {
-    const output = parameters.map(parameter => {
-        const key = parameter.prop;
-        const value = parameter.name;
-        if (key === value) {
-            return key;
-        }
-        if (escapeName(key) === key) {
-            return `${key}: ${value}`;
-        }
-        return `'${key}': ${value}`;
-    });
-    return output.join(', ');
-};
-
 export const serviceExportedNamespace = () => '$OpenApiTs';
 
 export const nameOperationDataType = (namespace: 'req' | 'res', operation: Service['operations'][number]) => {
@@ -135,7 +120,6 @@ export const nameOperationDataType = (namespace: 'req' | 'res', operation: Servi
 export const registerHandlebarHelpers = (): void => {
     Handlebars.registerHelper('camelCase', camelCase);
     Handlebars.registerHelper('dataDestructure', dataDestructure);
-    Handlebars.registerHelper('dataParameters', dataParameters);
 
     Handlebars.registerHelper(
         'equals',
@@ -144,7 +128,72 @@ export const registerHandlebarHelpers = (): void => {
         }
     );
 
-    Handlebars.registerHelper('escapeDescription', escapeDescription);
+    Handlebars.registerHelper('toRequestOptions', (operation: Operation) => {
+        const toObj = (parameters: OperationParameter[]) =>
+            parameters.reduce(
+                (prev, curr) => {
+                    const key = curr.prop;
+                    const value = curr.name;
+                    if (key === value) {
+                        prev[key] = key;
+                    } else if (escapeName(key) === key) {
+                        prev[key] = value;
+                    } else {
+                        prev[`'${key}'`] = value;
+                    }
+                    return prev;
+                },
+                {} as Record<string, unknown>
+            );
+
+        const obj: Record<string, any> = {
+            method: operation.method,
+            url: operation.path,
+        };
+        if (operation.parametersPath.length) {
+            obj.path = toObj(operation.parametersPath);
+        }
+        if (operation.parametersCookie.length) {
+            obj.cookies = toObj(operation.parametersCookie);
+        }
+        if (operation.parametersHeader.length) {
+            obj.headers = toObj(operation.parametersHeader);
+        }
+        if (operation.parametersQuery.length) {
+            obj.query = toObj(operation.parametersQuery);
+        }
+        if (operation.parametersForm.length) {
+            obj.formData = toObj(operation.parametersForm);
+        }
+        if (operation.parametersBody) {
+            if (operation.parametersBody.in === 'formData') {
+                obj.formData = operation.parametersBody.name;
+            }
+            if (operation.parametersBody.in === 'body') {
+                obj.body = operation.parametersBody.name;
+            }
+        }
+        if (operation.parametersBody?.mediaType) {
+            obj.mediaType = operation.parametersBody?.mediaType;
+        }
+        if (operation.responseHeader) {
+            obj.responseHeader = operation.responseHeader;
+        }
+        if (operation.errors.length) {
+            const errors: Record<number, string> = {};
+            operation.errors.forEach(err => {
+                errors[err.code] = escapeDescription(err.description);
+            });
+            obj.errors = errors;
+        }
+        return compiler.utils.toString(
+            compiler.types.object({
+                identifiers: ['body', 'headers', 'formData', 'cookies', 'path', 'query'],
+                obj,
+                shorthand: true,
+            })
+        );
+    });
 
     Handlebars.registerHelper('toOperationComment', (operation: Operation) => {
         const config = getConfig();
diff --git a/packages/openapi-ts/test/__snapshots__/test/generated/v2/services.gen.ts.snap b/packages/openapi-ts/test/__snapshots__/test/generated/v2/services.gen.ts.snap
index 26882d5fd..d10fa0fad 100644
--- a/packages/openapi-ts/test/__snapshots__/test/generated/v2/services.gen.ts.snap
+++ b/packages/openapi-ts/test/__snapshots__/test/generated/v2/services.gen.ts.snap
@@ -369,9 +369,9 @@ export class ResponseService {
             method: 'POST',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -393,9 +393,9 @@ export class ResponseService {
             method: 'PUT',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -547,8 +547,8 @@ export class ComplexService {
                 parameterReference,
             },
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -567,8 +567,8 @@ export class HeaderService {
             url: '/api/v{api-version}/header',
             responseHeader: 'operation-location',
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -590,10 +590,10 @@ export class ErrorService {
                 status,
             },
             errors: {
-                500: `Custom message: Internal Server Error`,
-                501: `Custom message: Not Implemented`,
-                502: `Custom message: Bad Gateway`,
-                503: `Custom message: Service Unavailable`,
+                500: 'Custom message: Internal Server Error',
+                501: 'Custom message: Not Implemented',
+                502: 'Custom message: Bad Gateway',
+                503: 'Custom message: Service Unavailable',
             },
         });
     }
diff --git a/packages/openapi-ts/test/__snapshots__/test/generated/v3/services.gen.ts.snap b/packages/openapi-ts/test/__snapshots__/test/generated/v3/services.gen.ts.snap
index 16eb117b0..0fc3d79f9 100644
--- a/packages/openapi-ts/test/__snapshots__/test/generated/v3/services.gen.ts.snap
+++ b/packages/openapi-ts/test/__snapshots__/test/generated/v3/services.gen.ts.snap
@@ -340,7 +340,7 @@ export class FormDataService {
             query: {
                 parameter,
             },
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -530,9 +530,9 @@ export class ResponseService {
             method: 'POST',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -554,9 +554,9 @@ export class ResponseService {
             method: 'PUT',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -746,8 +746,8 @@ export class ComplexService {
                 parameterReference,
             },
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -783,7 +783,7 @@ export class MultipartService {
         return __request(OpenAPI, {
             method: 'POST',
             url: '/api/v{api-version}/multipart',
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -815,8 +815,8 @@ export class HeaderService {
             url: '/api/v{api-version}/header',
             responseHeader: 'operation-location',
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -838,10 +838,10 @@ export class ErrorService {
                 status,
             },
             errors: {
-                500: `Custom message: Internal Server Error`,
-                501: `Custom message: Not Implemented`,
-                502: `Custom message: Bad Gateway`,
-                503: `Custom message: Service Unavailable`,
+                500: 'Custom message: Internal Server Error',
+                501: 'Custom message: Not Implemented',
+                502: 'Custom message: Bad Gateway',
+                503: 'Custom message: Service Unavailable',
             },
         });
     }
diff --git a/packages/openapi-ts/test/__snapshots__/test/generated/v3_angular/services.gen.ts.snap b/packages/openapi-ts/test/__snapshots__/test/generated/v3_angular/services.gen.ts.snap
index a690702fc..46c40cee1 100644
--- a/packages/openapi-ts/test/__snapshots__/test/generated/v3_angular/services.gen.ts.snap
+++ b/packages/openapi-ts/test/__snapshots__/test/generated/v3_angular/services.gen.ts.snap
@@ -373,7 +373,7 @@ export class FormDataService {
             query: {
                 parameter,
             },
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -577,9 +577,9 @@ export class ResponseService {
             method: 'POST',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -601,9 +601,9 @@ export class ResponseService {
             method: 'PUT',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -831,8 +831,8 @@ export class ComplexService {
                 parameterReference,
             },
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -871,7 +871,7 @@ export class MultipartService {
         return __request(OpenAPI, this.http, {
             method: 'POST',
             url: '/api/v{api-version}/multipart',
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -904,8 +904,8 @@ export class HeaderService {
             url: '/api/v{api-version}/header',
             responseHeader: 'operation-location',
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -932,10 +932,10 @@ export class ErrorService {
                 status,
             },
             errors: {
-                500: `Custom message: Internal Server Error`,
-                501: `Custom message: Not Implemented`,
-                502: `Custom message: Bad Gateway`,
-                503: `Custom message: Service Unavailable`,
+                500: 'Custom message: Internal Server Error',
+                501: 'Custom message: Not Implemented',
+                502: 'Custom message: Bad Gateway',
+                503: 'Custom message: Service Unavailable',
             },
         });
     }
diff --git a/packages/openapi-ts/test/__snapshots__/test/generated/v3_client/services.gen.ts.snap b/packages/openapi-ts/test/__snapshots__/test/generated/v3_client/services.gen.ts.snap
index fdbdd55d8..d0805d4a5 100644
--- a/packages/openapi-ts/test/__snapshots__/test/generated/v3_client/services.gen.ts.snap
+++ b/packages/openapi-ts/test/__snapshots__/test/generated/v3_client/services.gen.ts.snap
@@ -353,7 +353,7 @@ export class FormDataService {
             query: {
                 parameter,
             },
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -551,9 +551,9 @@ export class ResponseService {
             method: 'POST',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -575,9 +575,9 @@ export class ResponseService {
             method: 'PUT',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -783,8 +783,8 @@ export class ComplexService {
                 parameterReference,
             },
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -822,7 +822,7 @@ export class MultipartService {
         return this.httpRequest.request({
             method: 'POST',
             url: '/api/v{api-version}/multipart',
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -852,8 +852,8 @@ export class HeaderService {
             url: '/api/v{api-version}/header',
             responseHeader: 'operation-location',
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -877,10 +877,10 @@ export class ErrorService {
                 status,
             },
             errors: {
-                500: `Custom message: Internal Server Error`,
-                501: `Custom message: Not Implemented`,
-                502: `Custom message: Bad Gateway`,
-                503: `Custom message: Service Unavailable`,
+                500: 'Custom message: Internal Server Error',
+                501: 'Custom message: Not Implemented',
+                502: 'Custom message: Bad Gateway',
+                503: 'Custom message: Service Unavailable',
             },
         });
     }
diff --git a/packages/openapi-ts/test/__snapshots__/test/generated/v3_enums_typescript/services.gen.ts.snap b/packages/openapi-ts/test/__snapshots__/test/generated/v3_enums_typescript/services.gen.ts.snap
index 16eb117b0..0fc3d79f9 100644
--- a/packages/openapi-ts/test/__snapshots__/test/generated/v3_enums_typescript/services.gen.ts.snap
+++ b/packages/openapi-ts/test/__snapshots__/test/generated/v3_enums_typescript/services.gen.ts.snap
@@ -340,7 +340,7 @@ export class FormDataService {
             query: {
                 parameter,
             },
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -530,9 +530,9 @@ export class ResponseService {
             method: 'POST',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -554,9 +554,9 @@ export class ResponseService {
             method: 'PUT',
             url: '/api/v{api-version}/response',
             errors: {
-                500: `Message for 500 error`,
-                501: `Message for 501 error`,
-                502: `Message for 502 error`,
+                500: 'Message for 500 error',
+                501: 'Message for 501 error',
+                502: 'Message for 502 error',
             },
         });
     }
@@ -746,8 +746,8 @@ export class ComplexService {
                 parameterReference,
             },
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -783,7 +783,7 @@ export class MultipartService {
         return __request(OpenAPI, {
             method: 'POST',
             url: '/api/v{api-version}/multipart',
-            formData: formData,
+            formData,
             mediaType: 'multipart/form-data',
         });
     }
@@ -815,8 +815,8 @@ export class HeaderService {
             url: '/api/v{api-version}/header',
             responseHeader: 'operation-location',
             errors: {
-                400: `400 server error`,
-                500: `500 server error`,
+                400: '400 server error',
+                500: '500 server error',
             },
         });
     }
@@ -838,10 +838,10 @@ export class ErrorService {
                 status,
             },
             errors: {
-                500: `Custom message: Internal Server Error`,
-                501: `Custom message: Not Implemented`,
-                502: `Custom message: Bad Gateway`,
-                503: `Custom message: Service Unavailable`,
+                500: 'Custom message: Internal Server Error',
+                501: 'Custom message: Not Implemented',
+                502: 'Custom message: Bad Gateway',
+                503: 'Custom message: Service Unavailable',
             },
         });
     }