import Long from 'long';
import { Buffer } from 'buffer';
export interface SNumber {
    value: number;
    length: number;
}
export interface SLong {
    value: Long;
    length: number;
}
export type NumberValue = SNumber | number;
export type LongValue = SLong | Long;
export declare const isSmartBuffer: (obj: any) => boolean;
export declare class SmartBuffer {
    static EMPTY_BUFFER: Buffer<ArrayBuffer>;
    static DEFAULT_CAPACITY: number;
    static DEFAULT_NOASSERT: boolean;
    static MAX_VARINT32_BYTES: number;
    static MAX_VARINT64_BYTES: number;
    static METRICS_CHARS: string;
    static METRICS_BYTES: string;
    buffer: Buffer;
    woffset: number;
    roffset: number;
    noAssert: boolean;
    constructor(capacity?: number, noAssert?: boolean);
    get length(): number;
    get capacity(): number;
    readBitSet(offset?: number): boolean[];
    read(length: number, offset?: number): SmartBuffer;
    readInt8(offset?: number): number;
    readUInt8(offset?: number): number | undefined;
    readInt16LE(offset?: number): number;
    readInt16BE(offset?: number): number;
    readUInt16LE(offset?: number): number;
    readUInt16BE(offset?: number): number;
    readUInt24BE(offset?: number): number;
    readInt32LE(offset?: number): number;
    readInt32BE(offset?: number): number;
    readUInt32LE(offset?: number): number;
    readUInt32BE(offset?: number): number;
    readInt64LE(offset?: number): Long;
    readInt64BE(offset?: number): Long;
    readUInt64LE(offset?: number): Long;
    readUInt64BE(offset?: number): Long;
    readBigIntBE(offset?: number): bigint;
    readUBigIntBE(offset?: number): bigint;
    readBigIntLE(offset?: number): bigint;
    readUBigIntLE(offset?: number): bigint;
    readFloatLE(offset?: number): number;
    readFloatBE(offset?: number): number;
    readDoubleLE(offset?: number): number;
    readDoubleBE(offset?: number): number;
    write(source: any, offset?: number, length?: number, encoding?: string): this;
    writeBitSet(value: any[], offset?: number): number | this;
    writeBuffer(buf: Buffer, offset?: number): this;
    writeInt8(value: number, offset?: number): this;
    writeUInt8(value: number, offset?: number): this;
    writeInt16LE(value: number, offset?: number): this;
    writeInt16BE(value: number, offset?: number): this;
    writeUInt16LE(value: number, offset?: number): this;
    writeUInt16BE(value: number, offset?: number): this;
    writeUInt24BE(value: number, offset?: number): this;
    writeInt32LE(value: number, offset?: number): this;
    writeInt32BE(value: number, offset?: number): this;
    writeUInt32LE(value: number, offset?: number): this;
    writeUInt32BE(value: number, offset?: number): this;
    writeInt64LE(value: Long, offset?: number): this;
    writeInt64BE(value: Long, offset?: number): this;
    writeUInt64LE(value: Long, offset?: number): this;
    writeUInt64BE(value: Long, offset?: number): this;
    writeBigIntBE(value: bigint, offset?: number): this;
    writeUBigIntBE(value: bigint, offset?: number): this;
    writeBigIntLE(value: bigint, offset?: number): this;
    writeUBigIntLE(value: bigint, offset?: number): this;
    writeFloatLE(value: number, offset?: number): this;
    writeFloatBE(value: number, offset?: number): this;
    writeDoubleLE(value: number, offset?: number): this;
    writeDoubleBE(value: number, offset?: number): this;
    _checkRead(bytes: number, offset?: number): number;
    _checkWrite(value: any, bytes: number, offset?: number, isFloat?: boolean): number;
    _checkWriteLong(value: any, offset?: number): any[];
    writeVarint32(value: any, offset?: number): number | this;
    writeVarint32ZigZag(value: any, offset?: number): number | this;
    readVarint32(offset?: number): NumberValue;
    readVarint32ZigZag(offset?: number): NumberValue;
    writeVarint64(value: any, offset?: number): this | 5 | 10 | 1 | 7 | 2 | 3 | 4 | 6 | 8 | 9;
    writeVarint64ZigZag(value: any, offset: number): this | 5 | 10 | 1 | 7 | 2 | 3 | 4 | 6 | 8 | 9;
    readVarint64(offset?: number): LongValue;
    readVarint64ZigZag(offset?: number): LongValue;
    writeCString(str: any, offset?: number): any;
    readCString(offset?: number): string | {
        string: string;
        length: number;
    };
    writeString(str: string, offset?: number): number | this;
    readString(length: number, metrics: any, offset?: number): any;
    writeVString(str: string, offset?: number): number | this;
    readVString(offset?: number): any;
    appendTo(target: SmartBuffer, offset?: number): this;
    assert(assert: boolean): this;
    reset(resetWOffset?: boolean): this;
    clone(copy?: boolean): SmartBuffer;
    compact(begin?: number, end?: number): this;
    copy(begin?: number, end?: number): SmartBuffer;
    copyTo(target: SmartBuffer, targetOffset?: number, sourceStart?: number, sourceEnd?: number): SmartBuffer;
    ensureCapacity(capacity: number): this;
    fill(value: any, begin?: number, end?: number): this;
    prepend(source: any, offset?: number, encoding?: any): this;
    prependTo(target: any, offset?: number): this;
    resize(capacity: number): this;
    reverse(begin?: number, end?: number): this;
    skipRead(length: number): this;
    skipWrite(length: number): this;
    slice(begin?: number, end?: number): SmartBuffer;
    toBuffer(forceCopy?: boolean, begin?: number, end?: number): Buffer<ArrayBufferLike>;
    toArrayBuffer(): ArrayBuffer;
    toString(encoding?: string, begin?: number, end?: number): string;
    toBase64(begin?: number, end?: number): string;
    toBinary(begin?: number, end?: number): string;
    toDebug(columns?: boolean): string;
    toHex(begin?: number, end?: number): string;
    toUTF8(begin?: number, end?: number): string;
    static alloc(capacity?: number, noAssert?: boolean): SmartBuffer;
    static concat(buffers: any[], encoding?: any, noAssert?: boolean): SmartBuffer;
    static wrap(buffer: any, encoding?: string, noAssert?: boolean): SmartBuffer;
    static calculateVarint32(value: number): number;
    static zigZagEncode32(n: number): number;
    static zigZagDecode32(n: number): number;
    static calculateVarint64(value: string | number | Long): 5 | 10 | 1 | 7 | 2 | 3 | 4 | 6 | 8 | 9;
    static zigZagEncode64(value: string | number | LongValue): Long;
    static zigZagDecode64(value: string | number | LongValue): Long;
    static calculateUTF8Chars(str: string): any;
    static calculateString(str: string): number;
    static fromBase64(str: string): SmartBuffer;
    static btoa(str: string): string;
    static atob(b64: string): string;
    static fromBinary(str: string): SmartBuffer;
    static fromDebug(str: string, noAssert?: boolean): SmartBuffer;
    static fromHex(str: string, noAssert?: boolean): SmartBuffer;
    static fromUTF8(str: string, noAssert?: boolean): SmartBuffer;
}