import { FileProgress, FileStatus, ScannedFile, TaskError, TaskProgress, TaskStatus, TaskSummary, UploadTaskOptions } from '../create-task/types';
export declare type FastUploadTaskOptions = UploadTaskOptions & {
    /**
     * Callback throttle interval for task progress updates.
     * Default: 120ms
     */
    progressThrottleMs?: number;
    /**
     * Maximum number of pending scan batches in memory.
     * Default: 32
     */
    maxScanQueueSize?: number;
    /**
     * Number of files in a scan batch.
     * Default: 512
     */
    scanBatchSize?: number;
    /**
     * Yield interval while scanning large FileList.
     * Default: 12ms
     */
    scanTimeSliceMs?: number;
    /**
     * Prefer uploading small files first.
     * Default: true
     */
    preferSmallFilesFirst?: boolean;
    /**
     * Dynamic floor for fileInfo concurrency.
     * Default: 48
     */
    fileInfoConcurrencyMin?: number;
    /**
     * Dynamic cap for fileInfo concurrency.
     * Default: 256
     */
    fileInfoConcurrencyMax?: number;
    /**
     * Dynamic floor for upload concurrency.
     * Default: 24
     */
    uploadConcurrencyMin?: number;
    /**
     * Dynamic cap for upload concurrency.
     * Default: 128
     */
    uploadConcurrencyMax?: number;
};
export interface ScannedFileBatch {
    files: ScannedFile[];
    totalScanned: number;
    done: boolean;
}
export interface ScanSummary {
    scannedFiles: number;
    emptyDirectories: number;
    filteredFiles: number;
    totalBytes: number;
}
export interface PipelineStats {
    startAt: number;
    scanEndAt: number;
    taskStartAt: number;
    endAt?: number;
    scannedFiles: number;
    acceptedFiles: number;
    smallFiles: number;
    largeFiles: number;
    totalBytes: number;
}
export interface FastTaskLike {
    pause(): void;
    resume(): void;
    cancel(): void;
    getProgress(): TaskProgress;
    getTaskId(): number;
    getStatus(): TaskStatus;
    getAllFiles(): FileProgress[];
    getAllFilesRef(): FileProgress[];
    getFile(requestId: number): FileProgress | undefined;
}
export declare type TaskLifecycleCallbacks = {
    onProgress?: (progress: TaskProgress) => void;
    onFileStart?: (file: FileProgress) => void;
    onFileComplete?: (file: FileProgress) => void;
    onComplete?: (summary: TaskSummary) => void;
    onError?: (error: TaskError) => void;
};
export { FileStatus, TaskStatus };