@loopback/docs/site/apidocs/openapi-spec-builder.componentsspecbuilder._constructor_.md

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---
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title: 'API docs: openapi-spec-builder.componentsspecbuilder._constructor_'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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[Home](./index.md) &gt; [@loopback/openapi-spec-builder](./openapi-spec-builder.md) &gt; [ComponentsSpecBuilder](./openapi-spec-builder.componentsspecbuilder.md) &gt; [(constructor)](./openapi-spec-builder.componentsspecbuilder._constructor_.md)

## ComponentsSpecBuilder.(constructor)

Constructs a new instance of the `ComponentsSpecBuilder` class

<b>Signature:</b>

```typescript
constructor();
```