import { CustomAuthorizerEvent, Context, Callback } from 'aws-lambda';
import { Policy } from './responses';
export declare function authorizer(custom: (props: AuthorizerSignature) => any): (event: CustomAuthorizerEvent, context: Context, callback: Callback) => any;
export interface AuthorizerSignature {
    event: CustomAuthorizerEvent;
    token: string;
    valid(jwt: any): Policy;
    invalid(message?: any): void;
    error(error?: any): void;
}