import { ScannedFile, SmallFileCompressionOptions } from './types';
declare type EnqueueScannedFiles = (files: ScannedFile[], priority: boolean) => void;
declare type FinalizeCallback = () => void;
export declare class SmallFileCompressor {
    private readonly taskId;
    private readonly config;
    private readonly enqueueScannedFiles;
    private readonly onFinalizeChanged;
    private readonly moduleName;
    private pendingSmallFiles;
    private pendingSmallBytes;
    private compressedSourceFiles;
    private bundleSequenceByBaseName;
    private compressionChain;
    private compressionJobsInFlight;
    private isFinalizedState;
    private isCancelled;
    constructor(taskId: number, options: SmallFileCompressionOptions | undefined, enqueueScannedFiles: EnqueueScannedFiles, onFinalizeChanged: FinalizeCallback, moduleName?: string);
    isEnabled(): boolean;
    isFinalized(): boolean;
    cancel(): void;
    maybeCollect(scanned: ScannedFile, primaryRootName: string): boolean;
    finalize(primaryRootName: string): void;
    private buildCompressionConfig;
    private isCompressibleFile;
    private flushPendingSmallFiles;
    private createBundleScannedFile;
    private zipWithWorker;
    private sanitizeBundleName;
    private detectBundleRootFolder;
    private stripRootPrefix;
    private buildBundleFileName;
}
export {};