| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google Inc. All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { Type } from './facade/type';
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| 9 | import { InjectionToken } from './injection_token';
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| 10 | export declare const THROW_IF_NOT_FOUND: Object;
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| 11 | /**
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| 12 | * @whatItDoes Injector interface
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| 13 | * @howToUse
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| 14 | * ```
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| 15 | * const injector: Injector = ...;
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| 16 | * injector.get(...);
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| 17 | * ```
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| 18 | *
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| 19 | * @description
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| 20 | * For more details, see the {@linkDocs guide/dependency-injection "Dependency Injection Guide"}.
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| 21 | *
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| 22 | * ### Example
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| 23 | *
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| 24 | * {@example core/di/ts/injector_spec.ts region='Injector'}
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| 25 | *
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| 26 | * `Injector` returns itself when given `Injector` as a token:
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| 27 | * {@example core/di/ts/injector_spec.ts region='injectInjector'}
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| 28 | *
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| 29 | * @stable
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| 30 | */
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| 31 | export declare abstract class Injector {
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| 32 | static THROW_IF_NOT_FOUND: Object;
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| 33 | static NULL: Injector;
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| 34 | /**
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| 35 | * Retrieves an instance from the injector based on the provided token.
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| 36 | * If not found:
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| 37 | * - Throws {@link NoProviderError} if no `notFoundValue` that is not equal to
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| 38 | * Injector.THROW_IF_NOT_FOUND is given
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| 39 | * - Returns the `notFoundValue` otherwise
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| 40 | */
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| 41 | abstract get<T>(token: Type<T> | InjectionToken<T>, notFoundValue?: T): T;
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| 42 | /**
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| 43 | * @deprecated from v4.0.0 use Type<T> or InjectionToken<T>
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| 44 | * @suppress {duplicate}
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| 45 | */
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| 46 | abstract get(token: any, notFoundValue?: any): any;
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| 47 | }
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