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# Interface: IFlagRouter

[internal](../modules/internal-8.md).IFlagRouter

## Implemented by

- [`FlagRouter`](../classes/internal-8.FlagRouter.md)

## Properties

### isFeatureEnabled

• **isFeatureEnabled**: (`key`: `string`) => `boolean`

#### Type declaration

▸ (`key`): `boolean`

##### Parameters

| Name | Type |
| :------ | :------ |
| `key` | `string` |

##### Returns

`boolean`

#### Defined in

packages/types/dist/feature-flag/common.d.ts:2

___

### listFlags

• **listFlags**: () => [`FeatureFlagsResponse`](../modules/internal-8.md#featureflagsresponse-1)

#### Type declaration

▸ (): [`FeatureFlagsResponse`](../modules/internal-8.md#featureflagsresponse-1)

##### Returns

[`FeatureFlagsResponse`](../modules/internal-8.md#featureflagsresponse-1)

#### Defined in

packages/types/dist/feature-flag/common.d.ts:3