import { Action, BaseJson } from '../types/index';
import { BaseNode } from '../BaseNode';
import { Logger } from './Logger';
declare class EventQueue {
    private logger;
    static readonly MAX_EVENT_CYCLE_COUNT = 10;
    private _runningEventCount;
    private _isProcessing;
    private _pendingEvents;
    constructor(logger?: Logger);
    get length(): number;
    get isProcessing(): boolean;
    isQueued<T extends BaseJson>(node: BaseNode<T>, event: Action): boolean;
    queue<T extends BaseJson>(node: BaseNode<T>, events: Action | Action[], priority?: boolean): void;
    empty(): void;
    runPendingQueue(): void;
}
export default EventQueue;