import prom from 'prom-client';
import { Connection } from '@contember/database';
declare const labelNames: string[];
type LabelNames = typeof labelNames[number];
type Labels = {
    [K in LabelNames]: string;
};
type DatabaseMetricsEntry = {
    connection: Connection.PoolStatusProvider & Connection.Queryable;
    labels: Labels;
};
type Unregistrar = () => void;
type DatabaseMetricsRegistrar = (entry: DatabaseMetricsEntry) => Unregistrar;
export declare const createDbMetricsRegistrar: (registry: prom.Registry) => DatabaseMetricsRegistrar;
export {};
//# sourceMappingURL=dbMetrics.d.ts.map