export interface RttDatapoint {
    endpoint: string;
    latencyMs: number;
    timestamp: number;
    ok: boolean;
}
export interface RttAggregates {
    count: number;
    minMs: number;
    maxMs: number;
    avgMs: number;
    p95Ms: number;
}
export interface CredibilityMetrics {
    successRate: number;
    sampleCount: number;
    lastUpdated: number;
}
export declare class RttMetricsCollector {
    private readonly samples;
    record(endpoint: string, latencyMs: number, ok?: boolean, timestamp?: number): RttDatapoint;
    getAggregates(endpoint: string): RttAggregates;
    getCredibility(endpoint: string): CredibilityMetrics;
    reset(endpoint?: string): void;
}
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