import type { DrizzleDB } from '../database/drizzle/index.js';
export declare class AuditStore {
    #private;
    constructor(db: {
        getDb: () => import('better-sqlite3').Database;
    }, drizzle?: DrizzleDB);
    /** 保存审计日志 */
    save(entry: {
        id: string;
        timestamp: number;
        actor: string;
        actor_context: string;
        action: string;
        resource: string;
        operation_data: string;
        result: string;
        error_message: string | null;
        duration: number | null;
    }): Promise<void>;
    /** 查询审计日志（动态多条件，全 Drizzle） */
    query(filters?: {
        actor?: string;
        action?: string;
        result?: string;
        startDate?: number;
        endDate?: number;
        limit?: number;
    }): {
        id: string;
        timestamp: number;
        actor: string;
        actorContext: string | null;
        action: string;
        resource: string | null;
        operationData: string | null;
        result: string;
        errorMessage: string | null;
        duration: number | null;
    }[];
    /** 根据请求 ID 查询 */
    findByRequestId(requestId: string): {
        id: string;
        timestamp: number;
        actor: string;
        actorContext: string | null;
        action: string;
        resource: string | null;
        operationData: string | null;
        result: string;
        errorMessage: string | null;
        duration: number | null;
    } | undefined;
    /** 根据角色查询 */
    findByActor(actor: string, limit?: number): {
        id: string;
        timestamp: number;
        actor: string;
        actorContext: string | null;
        action: string;
        resource: string | null;
        operationData: string | null;
        result: string;
        errorMessage: string | null;
        duration: number | null;
    }[];
    /** 根据操作查询 */
    findByAction(action: string, limit?: number): {
        id: string;
        timestamp: number;
        actor: string;
        actorContext: string | null;
        action: string;
        resource: string | null;
        operationData: string | null;
        result: string;
        errorMessage: string | null;
        duration: number | null;
    }[];
    /** 根据结果查询 */
    findByResult(result: string, limit?: number): {
        id: string;
        timestamp: number;
        actor: string;
        actorContext: string | null;
        action: string;
        resource: string | null;
        operationData: string | null;
        result: string;
        errorMessage: string | null;
        duration: number | null;
    }[];
    /** 获取统计数据（全 Drizzle） */
    getStats(timeRange?: string): {
        timeRange: string;
        total: number;
        success: number;
        failure: number;
        successRate: string;
        avgDuration: string;
        byActor: {
            actor: string;
            count: number;
        }[];
        byAction: {
            action: string;
            count: number;
        }[];
    };
    /**
     * 清理过期审计日志
     * @param [opts.maxAgeDays=90] 保留天数
     */
    cleanup({ maxAgeDays }?: {
        maxAgeDays?: number | undefined;
    }): {
        deleted: number;
    };
}
export default AuditStore;