import type { gmail_v1 } from '@googleapis/gmail';
import type { z } from 'zod';
import { type Operation } from '../lib/operation.js';
/**
 * `operation()` bound to the Gmail client. Every gmail op's `index.ts` uses this
 * instead of the raw `operation()` so the handler's client is always
 * `gmail_v1.Gmail`: a handler that drops or mistypes its client annotation fails
 * here (the client can no longer silently infer `unknown` and slip into the
 * registry) rather than surfacing as a confusing `unknown` deep in the body.
 */
export declare const gmailOperation: <In extends z.ZodObject, Out extends z.ZodObject>(def: Operation<gmail_v1.Gmail, In, Out>) => Operation<gmail_v1.Gmail, In, Out>;
//# sourceMappingURL=operation.d.ts.map