export declare const decoder: import("node:util").TextDecoder;
export interface Block {
    offset: number;
    length: number;
}
export declare function getDataView(buffer: Uint8Array, byteOffset?: number): DataView<ArrayBufferLike>;
export declare function parseKey(buffer: Uint8Array, offset: number, keySize: number): string;
export declare function groupBlocks(blocks: Block[]): (Block & {
    blocks: Block[];
})[];