/**
 * @module
 * Method Override Middleware for Hono.
 */
import type { Hono } from '../../hono';
import type { MiddlewareHandler } from '../../types';
type MethodOverrideOptions = {
    app: Hono<any, any, any>;
} & ({
    form?: string;
    header?: never;
    query?: never;
} | {
    form?: never;
    header: string;
    query?: never;
} | {
    form?: never;
    header?: never;
    query: string;
});
/**
 * Method Override Middleware for Hono.
 *
 * @see {@link https://hono.dev/docs/middleware/builtin/method-override}
 *
 * @param {MethodOverrideOptions} options - The options for the method override middleware.
 * @param {Hono} options.app - The instance of Hono is used in your application.
 * @param {string} [options.form=_method] - Form key with a value containing the method name.
 * @param {string} [options.header] - Header name with a value containing the method name.
 * @param {string} [options.query] - Query parameter key with a value containing the method name.
 * @returns {MiddlewareHandler} The middleware handler function.
 *
 * @example
 * ```ts
 * const app = new Hono()
 *
 * // If no options are specified, the value of `_method` in the form,
 * // e.g. DELETE, is used as the method.
 * app.use('/posts', methodOverride({ app }))
 *
 * app.delete('/posts', (c) => {
 *   // ....
 * })
 * ```
 */
export declare const methodOverride: (options: MethodOverrideOptions) => MiddlewareHandler;
export {};