declare enum Status {
    RUNNING = 0,
    FREE = 1,
    NORMAL = 2
}
type OutputerFunc<Data> = (datas: Data[]) => void | Promise<void>;
interface BatchOutputerOptions<Data> {
    outputer: OutputerFunc<Data>;
    /**
     * batch size to run outputer
     * @default 5
     */
    batchSize?: number;
    /**
     * max wait time to run outputer(unit: ms)
     * @default 2_000
     */
    maxWaitTime?: number;
}
interface BatchOutputerInterface<Data> {
    status: Status;
    insert(data: Data): void;
    dangerous_run(): Promise<void>;
}
export declare class BatchOutputer<Data> implements BatchOutputerInterface<Data> {
    private readonly outputer;
    private readonly batchSize;
    private readonly maxWaitTime;
    private readonly queue;
    private isRunning;
    private taskTimer;
    constructor(options: BatchOutputerOptions<Data>);
    get status(): Status;
    insert(data: Data): void;
    dangerous_run(): Promise<void>;
    private run;
    private clearTask;
    private runTask;
    private getDatas;
    private removeData;
}
export {};