import type { IDataObject, IExecuteFunctions, IHookFunctions, IHttpRequestMethods, ILoadOptionsFunctions, IN8nHttpFullResponse, IN8nHttpResponse, IWebhookFunctions } from 'n8n-workflow';
export declare function verifySignature(channelSecret: string, signature: string, body: Buffer | string): boolean;
export declare function apiRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions | IWebhookFunctions, method: IHttpRequestMethods, endpoint: string, body: IDataObject, query?: IDataObject, option?: IDataObject): Promise<IDataObject>;
export declare function apiDataRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions | IWebhookFunctions, method: IHttpRequestMethods, endpoint: string, body: IDataObject, query?: IDataObject, option?: IDataObject): Promise<IN8nHttpFullResponse | IN8nHttpResponse>;