import { AppConfigurationClient } from '@azure/app-configuration';
import { AppConfigModuleForRootOptionsGeneric, ConfigurationResultCacheEntry } from './app-config.interfaces';
export declare class AppConfigService {
    private readonly _appConfigClient;
    private readonly _options;
    _data: Map<string, ConfigurationResultCacheEntry>;
    private cache;
    constructor(_appConfigClient: AppConfigurationClient, _options?: AppConfigModuleForRootOptionsGeneric);
    get label(): string | undefined;
    get<T>(key: string, label?: string): Promise<T | undefined>;
    private getLabel;
    private getAsync;
}