/**
 * MetricsCollector — 核心指标度量采集器
 *
 * FR-X02:
 * - AC1: 检索命中率 — 记录查询、返回条目数、是否命中，按时间窗口聚合
 * - AC2: 缺口检测覆盖率 — 记录运行结果，支持与基准对比
 * - AC3: 规则分发到达率 — 记录目标数、成功数、失败数
 * - AC4: 冲突解决率 — 记录产生数、已解决数、待裁决数
 * - AC5: 通过仪表盘聚合接口暴露，不引入独立度量存储
 */
import type { SearchMetricRecord, GapDetectionRecord, DistributionRecord, ConflictMetricRecord, AggregatedMetrics, TimeWindow } from './metrics-types.js';
export declare class MetricsCollector {
    private searchRecords;
    private gapRecords;
    private distributionRecords;
    private conflictRecords;
    recordSearch(query: string, resultCount: number): void;
    recordGapDetection(totalQuestions: number, coveredQuestions: number): void;
    recordDistribution(ruleId: string, targetCount: number, successCount: number, failureCount: number): void;
    recordConflict(produced: number, resolved: number, pending: number): void;
    aggregate(window?: TimeWindow): AggregatedMetrics;
    /** 获取原始记录（用于调试） */
    getRawRecords(): {
        search: SearchMetricRecord[];
        gapDetection: GapDetectionRecord[];
        distribution: DistributionRecord[];
        conflict: ConflictMetricRecord[];
    };
    /** 清除所有记录 */
    clear(): void;
    private filterByWindow;
}
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