import lambda, { Context } from "aws-lambda";
export { Context };
export declare type Client = Pick<Request["requestContext"], "connectionId" | "domainName" | "stage">;
export declare type Request = lambda.APIGatewayProxyEvent;
export declare type Response = lambda.APIGatewayProxyResult;
export declare type Responder = (request: Request, context: Context) => Promise<object | null | void>;
export declare function handler(responder: Responder): lambda.APIGatewayProxyHandler;
export declare function send(client: Client, data: object): Promise<void>;
export declare namespace params {
    function get(request: Request, param: string): string | undefined;
    function require(request: Request, param: string): string;
}