import { type OnApplicationBootstrap } from '@nestjs/common';
import { MetricsModuleConfig } from './metrics.config';
export declare class MetricInitializingModule implements OnApplicationBootstrap {
    private readonly config;
    private static isBootstrapped;
    constructor(config: MetricsModuleConfig);
    /**
     * Configures prom-client
     */
    onApplicationBootstrap(): void;
}