/// <reference types="node" />
import { EventEmitter } from 'events';
import { PendingInvite } from './InviteProvider';
export type InviteParams = PendingInvite;
type InviteState = {
    loading?: boolean;
    failedToDecode?: boolean;
    failureMessage?: string;
};
export type EventTypeHandlers = {
    inviteDetected: (inviteParams: InviteParams) => void;
    inviteLoadingStateChanged: (state: InviteState) => void;
};
export type EventTypes = keyof EventTypeHandlers;
export type EventTypeHandler<T extends EventTypes> = EventTypeHandlers[T];
export declare class InviteNotifier {
    private emitter;
    private lastInviteDetectedParams;
    private lastInviteState;
    addListener<T extends EventTypes>(eventType: T, listener: EventTypeHandler<T>): EventEmitter;
    removeListener<T extends EventTypes>(eventType: EventTypes, listener: EventTypeHandler<T>): EventEmitter;
    emit<T extends EventTypes>(eventType: T, ...params: Parameters<EventTypeHandler<T>>): boolean;
    clearCache(): void;
}
export declare const inviteNotifier: InviteNotifier;
export {};