import { ProviderId } from '../../providers';
import { IProvider } from './contract';
export declare class ProviderRegistry {
    private readonly _providers;
    constructor(providers: IProvider[]);
    /** Resolve a provider by id. Throws on an unknown id (fail loudly). */
    get(id: ProviderId): IProvider;
    has(id: ProviderId): boolean;
    ids(): ProviderId[];
}
/** The default registry wired with every built-in provider. */
export declare const providerRegistry: ProviderRegistry;