export interface WriterProperties {
    bufs?: Buffer[];
}
export default class BufferWriter {
    bufs: Buffer[];
    bufLen: number;
    constructor(obj?: WriterProperties);
    set(obj: WriterProperties): this;
    toBuffer(): Buffer<ArrayBuffer>;
    concat(): Buffer<ArrayBuffer>;
    write(buf: Buffer): this;
    writeReverse(buf: Buffer): this;
    writeUInt8(n: number): this;
    writeUInt16BE(n: number): this;
    writeUInt16LE(n: number): this;
    writeUInt32BE(n: number): this;
    writeInt32LE(n: number): this;
    writeUInt32LE(n: number): this;
    writeUInt64BE(bn: bigint): this;
    writeUInt64LE(bn: bigint): this;
    writeVarintNum(n: number): this;
    writeVarLengthBuffer(buf: Buffer): this;
    static varintBufNum(n: number): Buffer<ArrayBuffer>;
}
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