/// <reference types="node" />
import { Params } from "@feathersjs/feathers";
import { IncomingMessage, ServerResponse } from "http";
import { AuthenticationBaseStrategy, AuthenticationResult } from "@feathersjs/authentication";
interface Configuration {
    entity: string;
    service: string;
    key: string;
    revokedField: string;
    headerField: string;
}
export declare class ApiKeyStrategy extends AuthenticationBaseStrategy {
    private serviceBased;
    constructor();
    get configuration(): Configuration;
    verifyConfiguration(): void;
    findEntity(apiKey: string, params: Params): Promise<any>;
    authenticate(authRequest: AuthenticationResult, params: Params): Promise<{
        [x: string]: boolean | {
            [x: string]: any;
            strategy: string | undefined;
        } | {
            [x: string]: any;
            strategy?: undefined;
        };
        authentication: {
            [x: string]: any;
            strategy: string | undefined;
        };
        headers: {
            [x: string]: any;
        };
        apiKey: boolean;
    }>;
    parse(req: IncomingMessage, res: ServerResponse): Promise<{
        [x: string]: string | string[] | undefined;
        strategy: string | undefined;
    } | null>;
}
export {};