import { QueryMetrics, QueryStats } from '../types/query';
export declare class MetricsStore {
    private records;
    private maxSize;
    private counter;
    private tableHits;
    constructor(maxSize?: number);
    push(m: Omit<QueryMetrics, 'id'>): QueryMetrics;
    getAll(): QueryMetrics[];
    getSlow(thresholdMs: number): QueryMetrics[];
    getCritical(thresholdMs: number): QueryMetrics[];
    getStats(thresholdMs: number): QueryStats;
    clear(): void;
    get size(): number;
}
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