/**
 * Express-shaped request. We only consume the fields the Functions Framework
 * guarantees: method, path (the URL path inside the function), query, body,
 * and the lowercase headers map.
 */
export interface GcpRequest {
    method: string;
    path?: string;
    url?: string;
    query?: Record<string, string | string[] | undefined>;
    body?: unknown;
    headers?: Record<string, string | string[] | undefined>;
}
export interface GcpResponse {
    status(code: number): GcpResponse;
    set(headers: Record<string, string>): GcpResponse;
    json(body: unknown): GcpResponse;
    send(body?: unknown): GcpResponse;
}
/**
 * Routed Cloud Functions handler. Wire it as the function entry point:
 *
 *   import { gcpHandler } from '@emailcheck/email-validator-js/serverless/gcp';
 *   export const validateEmail = gcpHandler;
 */
export declare function gcpHandler(req: GcpRequest, res: GcpResponse): Promise<void>;
/**
 * Single-route convenience handler — infers single-vs-batch from the body
 * and ignores the request path. Use this when the function's URL itself
 * is the entry point and you don't need internal routing.
 */
export declare function gcpFunction(req: GcpRequest, res: GcpResponse): Promise<void>;
declare const _default: {
    gcpHandler: typeof gcpHandler;
    gcpFunction: typeof gcpFunction;
};
export default _default;