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lang: en
title: 'API docs: authentication.authenticationcomponent'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/authentication
permalink: /doc/en/lb4/apidocs.authentication.authenticationcomponent.html
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[Home](./index.md) > [@loopback/authentication](./authentication.md) > [AuthenticationComponent](./authentication.authenticationcomponent.md)
## AuthenticationComponent class
<b>Signature:</b>
```typescript
export declare class AuthenticationComponent implements Component
```
<b>Implements:</b> [Component](./core.component.md)
## Properties
| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [providers](./authentication.authenticationcomponent.providers.md) | | { \[x: string\]: typeof [AuthenticateActionProvider](./authentication.authenticateactionprovider.md) \| typeof [AuthenticationMiddlewareProvider](./authentication.authenticationmiddlewareprovider.md) \| typeof [AuthMetadataProvider](./authentication.authmetadataprovider.md) \| typeof [AuthenticationStrategyProvider](./authentication.authenticationstrategyprovider.md)<!-- -->; } | |