export interface ReaderProperties {
    buf: Buffer;
    pos?: number;
}
export default class BufferReader {
    buf: Buffer<ArrayBufferLike>;
    pos: number;
    constructor(buf: Buffer | string | ReaderProperties);
    slice(i: number, j: number): Buffer<ArrayBuffer>;
    eof(): boolean;
    finished(): boolean;
    read(len: number): Buffer<ArrayBuffer>;
    readAll(): Buffer<ArrayBuffer>;
    readUInt8(): number;
    readUInt16BE(): number;
    readUInt16LE(): number;
    readUInt32BE(): number;
    readUInt32LE(): number;
    readInt32LE(): number;
    readUInt64BE(): number;
    readUInt64LE(): number;
    readUInt64BEBI(): bigint;
    readUInt64LEBI(): bigint;
    readVarintNum(): number;
    readVarLengthBuffer(): Buffer<ArrayBuffer>;
    reverse(): this;
    readReverse(len: number): Buffer<ArrayBuffer>;
}
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