import { Server, ServerCredentials, ServerOptions, StatusObject } from "@grpc/grpc-js";
interface ServingStatusListener {
    (servingStatus: StatusObject): void;
}
export interface XdsServerOptions extends ServerOptions {
    drainGraceTimeMs?: number;
}
export declare class XdsServer extends Server {
    private listenerResourceNameTemplate;
    private boundPortMap;
    private xdsClient;
    private drainGraceTimeMs;
    constructor(options?: XdsServerOptions);
    /**
     * Bind a port using configuration retrieved from the xDS control plane.
     * @param port Port to bind in the format [IP address]:[port number] (e.g. 0.0.0.0:443)
     * @param creds Server credentials object to bind
     * @param callback
     */
    bindAsync(port: string, creds: ServerCredentials, callback: (error: Error | null, port: number) => void): void;
    drain(port: string, graceTimeMs: number): void;
    unbind(port: string): void;
    tryShutdown(callback: (error?: Error) => void): void;
    forceShutdown(): void;
    addServingStateListener(port: string, listener: ServingStatusListener): void;
    removeServingStateListener(port: string, listener: ServingStatusListener): void;
}
export {};