/**
 * State Encoding and Decoding
 * 使用 MessagePack 进行高性能二进制编码
 */
import { CompressionStrategy } from '../compression/CompressionStrategy.js';
import type { Patch, EncodedState, EncodeOptions, DecodeOptions } from '../types.js';
/**
 * StateEncoder - 状态编码器
 */
export declare class StateEncoder {
    private compressionStrategy;
    constructor(compressionStrategy?: CompressionStrategy);
    /**
     * 编码完整状态
     */
    encodeFull(state: any, options?: EncodeOptions): EncodedState;
    /**
     * 编码增量变化
     */
    encodeDelta(patches: Patch[], options?: EncodeOptions): EncodedState;
    /**
     * 获取压缩统计
     */
    getCompressionStats(): {
        compressionRate: number;
        averageSaving: number;
        totalAttempts: number;
        totalCompressed: number;
        totalSaved: number;
        averageRatio: number;
    };
    /**
     * 重置压缩统计
     */
    resetCompressionStats(): void;
    /**
     * 序列化对象
     */
    private serializeObject;
    /**
     * 序列化值
     */
    private serializeValue;
}
/**
 * StateDecoder - 状态解码器
 */
export declare class StateDecoder {
    private compressionStrategy;
    constructor(compressionStrategy?: CompressionStrategy);
    /**
     * 解码二进制数据
     */
    decode<T = any>(data: Uint8Array, options?: DecodeOptions): T;
    /**
     * 应用 Patches 到对象
     */
    applyPatches(target: any, patches: Patch[]): void;
    /**
     * 应用单个 Patch
     */
    private applyPatch;
    /**
     * 反序列化对象
     */
    private deserializeObject;
}
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