import { JsonRpcResponse, Rpc } from "@connext/types";
import { RequestHandler } from "./request-handler";
declare type AsyncCallback = (...args: any) => Promise<any>;
export declare class RpcRouter {
    private readonly requestHandler;
    private readonly log;
    constructor(requestHandler: RequestHandler);
    dispatch(rpc: Rpc): Promise<JsonRpcResponse>;
    subscribe(event: string, callback: AsyncCallback): Promise<void>;
    subscribeOnce(event: string, callback: AsyncCallback): Promise<void>;
    unsubscribeAll(): void;
    unsubscribe(event: string, callback?: AsyncCallback): Promise<void>;
    emit(event: string, data: any, emitter?: string): Promise<void>;
    eventListenerCount(event: string): number;
}
export {};
//# sourceMappingURL=rpc-router.d.ts.map