import { IConfiguration, IConfigurationSection } from '../_types';
import { ConfigValue } from './Json.types';
export default class JsonConfiguration implements IConfiguration {
    #private;
    constructor(source: Record<string, ConfigValue>);
    get root(): IConfigurationSection;
    getSection(key: string): IConfigurationSection;
    get<T extends ConfigValue = ConfigValue>(key?: string): T;
}