export declare const fakeImpactMetricsResolver: () => {
    counters: Map<string, {
        value: number;
        help: string;
    }>;
    gauges: Map<string, {
        value: number;
        help: string;
    }>;
    defineCounter(name: string, help: string): void;
    defineGauge(name: string, help: string): void;
    incrementCounter(name: string, value?: number): void;
    updateGauge(name: string, value: number): void;
};
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