declare class HPACK {
    dynamicTable: [string, string][];
    dynamicTableSize: number;
    maxDynamicTableSize: number;
    staticTable: [string, string][];
    huffmanTable: {
        codes: Uint32Array;
        lengths: Uint8Array;
    };
    constructor(maxDynamicTableSize?: number);
    encode(headers: {
        [key: string]: string;
    }): Uint8Array<ArrayBuffer>;
    encodeInteger(value: number, prefixBits: number, prefix?: number): number[];
    encodeString(str: string): number[];
    findInStaticTable(name: string, value: string): number;
    findInDynamicTable(name: string, value: string): number;
    encodeLiteral(buffer: number[], name: string, value: string): void;
    addToDynamicTable(name: string, value: string): void;
    getIndexedHeader(index: number): [string, string];
    buildHuffmanTable(): {
        codes: Uint32Array<ArrayBuffer>;
        lengths: Uint8Array<ArrayBuffer>;
    };
    /**
     * 解码Uint8Array为字符串
     * @param input 编码后的Uint8Array
     * @returns 解码后的字符串
     */
    decode(input: Uint8Array): string;
    /**
     * 在Huffman树中查找符号
     */
    private findSymbol;
    huffmanEncode(bytes: Uint8Array): Uint8Array<ArrayBuffer>;
    decodeHeaderFields(buffer: Uint8Array): Map<any, any>;
    decodeInteger(buffer: Uint8Array, startIndex: number, prefixBits: number): number[];
    decodeLiteralString(buffer: Uint8Array, startIndex: number): [string, number];
    decodeIndexedHeader(buffer: Uint8Array, index: number): [string, string, number];
    decodeLiteralHeaderWithIndexing(buffer: Uint8Array, index: number): [string, string, number];
    decodeLiteralHeaderWithoutIndexing(buffer: Uint8Array, index: number): [string, string, number];
    huffmanDecodeToString(bytes: Uint8Array): string;
}

export { HPACK };