export declare enum EVENTS {
    FLUSH_INVOKED = "flush.invoked",
    FLUSH_SCHEDULED = "flush.scheduled",
    FLUSH_EXECUTED = "flush.executed",
    WORKER_REJECTED = "worker.rejected",
    WORKER_RETRYING = "worker.retrying",
    THREAD_OPENED = "thread.opened",
    THREAD_CLOSED = "thread.closed",
    QUEUE_EMPTY = "queue.empty",
    EMPTY = "empty"
}