/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { SyncDescriptor } from './descriptors';
import { BrandedService, ServiceIdentifier } from './instantiation';
export declare const enum InstantiationType {
	/**
	 * Instantiate this service as soon as a consumer depdends on it. _Note_ that this
	 * is more costly as some upfront work is done that is likely not needed
	 */
	Eager = 0,
	/**
	 * Instantiate this service as soon as a consumer uses it. This is the _better_
	 * way of registering a service.
	 */
	Delayed = 1,
}
export declare function registerSingleton<T, Services extends BrandedService[]>(
	id: ServiceIdentifier<T>,
	ctor: new (...services: Services) => T,
	supportsDelayedInstantiation: InstantiationType,
): void;
export declare function registerSingleton<T, Services extends BrandedService[]>(
	id: ServiceIdentifier<T>,
	descriptor: SyncDescriptor<any>,
): void;
export declare function getSingletonServiceDescriptors(): [ServiceIdentifier<any>, SyncDescriptor<any>][];