import * as i0 from '@angular/core';
import { ModuleWithProviders, InjectionToken, EnvironmentProviders } from '@angular/core';
import * as rxjs from 'rxjs';

/**
 * @deprecated import the provideConfig directly
 */
declare class IgoConfigModule {
    static forRoot(): ModuleWithProviders<IgoConfigModule>;
    static ɵfac: i0.ɵɵFactoryDeclaration<IgoConfigModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<IgoConfigModule, never, never, never>;
    static ɵinj: i0.ɵɵInjectorDeclaration<IgoConfigModule>;
}

interface ConfigOptions<T = Record<string, any>> {
    /** This is a representation of EnvironmentOptions */
    default?: T;
    path?: string;
}
interface DeprecatedOptions {
    alternativeKey?: string;
    mayBeRemoveIn: Date;
}
interface AlternateConfigOptions {
    deprecatedKey: string;
}

declare const CONFIG_OPTIONS: InjectionToken<ConfigOptions<Record<string, any>>>;
declare function provideConfig(options: ConfigOptions): EnvironmentProviders;

declare class ConfigService<T extends object = Record<string, any>> {
    private config;
    private httpClient;
    private configDeprecated;
    private _isLoaded$;
    isLoaded$: rxjs.Observable<boolean>;
    constructor();
    /**
     * Use to get the all config file (merge from environnement.ts and config.json)
     */
    getConfigs(): any;
    /**
     * Use to get the data found in config file
     */
    getConfig<T = any>(key: string, defaultValue?: unknown): T;
    private handleDeprecatedConfig;
    private handleDeprecationPossibility;
    /**
     * This method loads "[path]" to get all config's variables
     */
    load(options: ConfigOptions<T>): void | Promise<unknown>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ConfigService<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ConfigService<any>>;
}

interface Version {
    app?: string;
    lib?: string;
    releaseDateApp?: number;
    releaseDate?: number;
}
declare const version: Version;

export { CONFIG_OPTIONS, ConfigService, IgoConfigModule, provideConfig, version };
export type { AlternateConfigOptions, ConfigOptions, DeprecatedOptions, Version };