export default class TaskManager {
    rateLimit: number;
    private running;
    private waiting;
    protected queueRun<TR>(fx: (...a: any[]) => Promise<TR>): Promise<TR>;
    protected processQueue(): void;
    /**
     * You can queue this function that will be
     * executed after all pending fetch tasks
     * are finished
     * @param fx any function
     */
    runAfterEnd(fx: () => any): void;
}
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