export interface IEventContext {
    key: string;
    propagation: boolean;
    previousValue: any;
    stopPropagation(): void;
}
export declare type IEventCallback = (this: IEventContext, ...payload: any[]) => any;
export interface IListener {
    callback: IEventCallback;
    stack?: Error['stack'];
    limit: number;
    hits: number;
    priority: number;
}
export interface IListenerConfig {
    callback: IEventCallback;
    stack?: Error['stack'];
    limit?: number;
    priority?: number;
}
export declare class Event {
    key: string;
    listeners: IListener[];
    constructor(key: string);
    /**
     * Executes callbacks in sequence
     *
     * @returns Last callback's result
     */
    propagate(...payload: any[]): Promise<any>;
    remove(listener: IListener): void;
    get(callback: IEventCallback): IListener | undefined;
    add(input: IListenerConfig): IListener;
    private sort();
}