export interface BlockCache {
    get(key: string): {
        buffer: Uint8Array;
        bytesRead: number;
    } | undefined;
    set(key: string, value: {
        buffer: Uint8Array;
        bytesRead: number;
    }): void;
}
export interface Filehandle {
    read(length: number, position: number, opts?: Record<string, unknown>): Promise<Uint8Array>;
}
interface VirtualOffset {
    blockPosition: number;
    dataPosition: number;
}
interface Chunk {
    minv: VirtualOffset;
    maxv: VirtualOffset;
}
export declare function unzip(inputData: Uint8Array): Promise<any>;
export declare function unzipChunkSlice(inputData: Uint8Array, chunk: Chunk, _blockCache?: BlockCache): Promise<{
    buffer: Uint8Array<ArrayBufferLike>;
    cpositions: number[];
    dpositions: number[];
}>;
export interface DecompressedBlock {
    blockPosition: number;
    data: Uint8Array;
    compressedSize: number;
}
export interface BlockInfo {
    blockPosition: number;
    compressedStart: number;
    compressedEnd: number;
}
export {};