import { DynamicModule } from '@nestjs/common';
import { Constructor } from '@rsdk/common';
import type { PlatformOptions } from '../types';
import type { Config } from './config.abstract';
import type { ConfigSource } from './sources';
import type { AppNameStrategyType } from './types';
export interface ConfigModuleOptions {
    /**
     * By convention every configuration key should have unique prefix
     * for current service. It is inferred from application name
     */
    appName: string;
    /**
     * Additional asynchronous configuration sources. For example a source
     * that loads configuration from Consul or other remote system.
     */
    sources?: Constructor<ConfigSource>[];
    /**
     * Strategy for detect key name for get config values from environments (default: AppNameStrategyType.PLATFORM)
     */
    appNameStrategy?: AppNameStrategyType;
}
export declare class PlatformConfigModule {
    /**
     * Use this method to imports specific configuration property
     * into given module
     *
     * @param alias It's not so easy to use plain property key because
     * of prefix and source key issues. That's why we use aliases. Specify
     * the same string that was used to define property in
     * @Property() or @ExtraEnv() decorator.
     *
     * @returns DynamicModule
     */
    static forProperty(alias: string): DynamicModule;
    static createConfigProvider(ctor: Constructor<Config>): DynamicModule;
    static forRoot(options: PlatformOptions): DynamicModule;
    private static getPropertyProvider;
    /**
     * Use this method to import specified configuration section
     * into given module
     * @param ctor Pass constructor of configuration section class
     * @returns DynamicModule
     */
    static forFeature(ctor: Constructor<Config>): DynamicModule;
}