/**
 * 日志存储
 * 内存环形缓冲，支持查询、统计
 */
import type { LogEntry, LogLevel } from '../utils/logger.js';
export interface LogQueryOptions {
    level?: LogLevel;
    search?: string;
    start?: Date;
    end?: Date;
    page?: number;
    limit?: number;
}
export interface LogStats {
    total: number;
    debug: number;
    info: number;
    warn: number;
    error: number;
}
declare class LogStore {
    private buffer;
    private maxSize;
    private index;
    constructor(maxSize?: number);
    /**
     * 添加日志条目
     */
    add(entry: LogEntry): void;
    /**
     * 获取所有日志（按时间倒序）
     */
    getAll(): LogEntry[];
    /**
     * 查询日志
     */
    query(options?: LogQueryOptions): {
        entries: LogEntry[];
        total: number;
    };
    /**
     * 获取日志统计
     */
    getStats(): LogStats;
    /**
     * 获取日志数量
     */
    getCount(): number;
    /**
     * 清空日志
     */
    clear(): void;
}
export declare const logStore: LogStore;
export {};
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