---
id: fast-element.constructable
title: Constructable type
hide_title: true
---
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[@microsoft/fast-element](./fast-element.md) &gt; [Constructable](./fast-element.constructable.md)

## Constructable type

Allows for the creation of Constructable mixin classes.

<b>Signature:</b>

```typescript
export declare type Constructable<T = {}> = {
    new (...args: any[]): T;
};
```