export interface IWorkPromise {
    _execute(): boolean;
}
export declare class WorkPromise<T> implements IWorkPromise {
    private _resolve;
    private _reject;
    private _nullResolve;
    private _nullReject;
    private _event;
    private _resultValue;
    private _resultReason;
    private _resolved;
    private _rejected;
    private allResolveNotify;
    private allRejectNotify;
    private joinList;
    get resolved(): boolean;
    get rejected(): boolean;
    constructor(event?: (resolve: (value: T) => void, reject?: (reason?: any) => void) => void);
    then(resolve: (value: T) => void): this;
    catch(reject: (reason?: any) => void): this;
    resolve(value?: T): void;
    reject(reason?: any): void;
    join(promise: WorkPromise<T>): void;
    _execute(): boolean;
    static all<T>(promises: WorkPromise<T>[]): WorkPromise<T[]>;
    private static promises;
    private static processingPromises;
    static processPromises(count?: number): void;
}