import { OnModuleInit } from '@nestjs/common';
import { DataSource } from 'typeorm';
import { DbMetricsService } from './db-metrics.service';
export declare class DbMetricsUpdater implements OnModuleInit {
    private readonly dataSource;
    private readonly dbMetrics;
    constructor(dataSource: DataSource, dbMetrics: DbMetricsService);
    onModuleInit(): void;
    private update;
}