/**
 * 游戏错误基类和自定义错误类型
 */
/**
 * 错误代码枚举
 */
export declare enum ErrorCode {
    UNKNOWN_ERROR = "UNKNOWN_ERROR",
    VALIDATION_ERROR = "VALIDATION_ERROR",
    INVALID_INPUT = "INVALID_INPUT",
    PLAYER_NOT_FOUND = "PLAYER_NOT_FOUND",
    PLAYER_ALREADY_EXISTS = "PLAYER_ALREADY_EXISTS",
    PLAYER_DEAD = "PLAYER_DEAD",
    INSUFFICIENT_LEVEL = "INSUFFICIENT_LEVEL",
    ITEM_NOT_FOUND = "ITEM_NOT_FOUND",
    INSUFFICIENT_ITEMS = "INSUFFICIENT_ITEMS",
    INVENTORY_FULL = "INVENTORY_FULL",
    CANNOT_EQUIP = "CANNOT_EQUIP",
    SLOT_OCCUPIED = "SLOT_OCCUPIED",
    QUEST_NOT_FOUND = "QUEST_NOT_FOUND",
    QUEST_ALREADY_ACTIVE = "QUEST_ALREADY_ACTIVE",
    QUEST_REQUIREMENTS_NOT_MET = "QUEST_REQUIREMENTS_NOT_MET",
    QUEST_ALREADY_COMPLETED = "QUEST_ALREADY_COMPLETED",
    RECIPE_NOT_FOUND = "RECIPE_NOT_FOUND",
    INSUFFICIENT_MATERIALS = "INSUFFICIENT_MATERIALS",
    INSUFFICIENT_SKILL = "INSUFFICIENT_SKILL",
    CRAFTING_FAILED = "CRAFTING_FAILED",
    INVALID_TARGET = "INVALID_TARGET",
    OUT_OF_RANGE = "OUT_OF_RANGE",
    INSUFFICIENT_MANA = "INSUFFICIENT_MANA",
    DATABASE_ERROR = "DATABASE_ERROR",
    CONNECTION_ERROR = "CONNECTION_ERROR",
    TRANSACTION_ERROR = "TRANSACTION_ERROR",
    UNAUTHORIZED = "UNAUTHORIZED",
    FORBIDDEN = "FORBIDDEN",
    PERMISSION_DENIED = "PERMISSION_DENIED"
}
/**
 * 游戏错误基类
 */
export declare class GameError extends Error {
    readonly code: ErrorCode;
    readonly details?: any;
    readonly timestamp: Date;
    constructor(code: ErrorCode, message: string, details?: any);
    /**
     * 转换为JSON格式
     */
    toJSON(): {
        error: boolean;
        code: ErrorCode;
        message: string;
        details: any;
        timestamp: string;
    };
}
/**
 * 验证错误
 */
export declare class ValidationError extends GameError {
    constructor(message: string, details?: any);
}
/**
 * 玩家未找到错误
 */
export declare class PlayerNotFoundError extends GameError {
    constructor(playerName: string);
}
/**
 * 玩家已存在错误
 */
export declare class PlayerAlreadyExistsError extends GameError {
    constructor(playerName: string);
}
/**
 * 玩家已死亡错误
 */
export declare class PlayerDeadError extends GameError {
    constructor(playerName: string);
}
/**
 * 等级不足错误
 */
export declare class InsufficientLevelError extends GameError {
    constructor(required: number, current: number);
}
/**
 * 物品未找到错误
 */
export declare class ItemNotFoundError extends GameError {
    constructor(itemId: string);
}
/**
 * 物品数量不足错误
 */
export declare class InsufficientItemsError extends GameError {
    constructor(itemId: string, required: number, available: number);
}
/**
 * 任务未找到错误
 */
export declare class QuestNotFoundError extends GameError {
    constructor(questId: string);
}
/**
 * 任务已激活错误
 */
export declare class QuestAlreadyActiveError extends GameError {
    constructor(questId: string);
}
/**
 * 配方未找到错误
 */
export declare class RecipeNotFoundError extends GameError {
    constructor(recipeId: string);
}
/**
 * 材料不足错误
 */
export declare class InsufficientMaterialsError extends GameError {
    constructor(materials: Record<string, {
        required: number;
        available: number;
    }>);
}
/**
 * 技能等级不足错误
 */
export declare class InsufficientSkillError extends GameError {
    constructor(skill: string, required: number, current: number);
}
/**
 * 数据库错误
 */
export declare class DatabaseError extends GameError {
    constructor(message: string, details?: any);
}
/**
 * 权限被拒绝错误
 */
export declare class PermissionDeniedError extends GameError {
    constructor(action: string, resource?: string);
}
/**
 * 错误处理辅助函数
 */
export declare function handleError(error: unknown): GameError;
/**
 * 格式化错误响应
 */
export declare function formatErrorResponse(error: unknown): string;
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