import type { IntegrationContext } from './context';
export type IntegrationHandler<TInput = void, TOutput = void, TConfig = Record<string, unknown>> = (input: TInput, context: IntegrationContext<TConfig>) => Promise<TOutput>;
export declare function defineHandler<TInput = void, TOutput = void, TConfig = Record<string, unknown>>(fn: IntegrationHandler<TInput, TOutput, TConfig>): IntegrationHandler<TInput, TOutput, TConfig>;