import { IBasicEventEmitter, EventName, EventPayload } from "@connext/types";
import { Ctx } from "evt";
export declare class TypedEmitter implements IBasicEventEmitter {
    private evt;
    constructor();
    attach<T extends EventName>(event: T, callback: (payload: EventPayload[T]) => void | Promise<void>, filter?: (payload: EventPayload[T]) => boolean): void;
    attachOnce<T extends EventName>(event: T, callback: (payload: EventPayload[T]) => void | Promise<void>, filter?: (payload: EventPayload[T]) => boolean): void;
    post<T extends EventName>(event: T, payload: EventPayload[T]): void;
    detach(ctx?: Ctx<[EventName, EventPayload[EventName]]>): void;
    createContext(): Ctx<[EventName, EventPayload[EventName]]>;
    waitFor<T extends EventName>(event: T, timeout: number, filter?: (payload: EventPayload[T]) => boolean): Promise<EventPayload[T]>;
}
//# sourceMappingURL=typedEmitter.d.ts.map