import { Type } from "@nestjs/common";
import { ConfigProviderMetadata } from "../models/config-provider-metadata.model";
import "reflect-metadata";
import { IConfigProvider } from "../providers/config.provider";
export declare class ConfigProviderHandler {
    private static _configProviders;
    static setType(target: Type, type: string): void;
    static getConfigProvider(type: string): Type<IConfigProvider>;
    static getConfig(target: Type): ConfigProviderMetadata;
    static saveConfig(target: Type, config: ConfigProviderMetadata): void;
    static updateConfig(target: Type, callback: (config: ConfigProviderMetadata) => ConfigProviderMetadata): void;
}