/**
 * DeukPack Binary Writer
 * High-performance binary serialization
 */
export type Endianness = 'LE' | 'BE';
export declare class BinaryWriter {
    private buffer;
    private position;
    private endianness;
    constructor(endianness?: Endianness, initialSize?: number);
    private ensureCapacity;
    writeByte(value: number): void;
    writeBool(value: boolean): void;
    writeI16(value: number): void;
    writeI32(value: number): void;
    private static readonly MAX_SAFE_LENGTH;
    private checkSafeLength;
    writeI64(value: number | bigint): void;
    writeBigI64(value: bigint): void;
    writeDouble(value: number): void;
    writeString(value: string): void;
    writeBinary(value: Uint8Array): void;
    getBuffer(): Uint8Array;
}
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