---
jsApi: true
title: "[V] $lib"

---
```ts
const $lib: TypeSpecLibrary<Object, JSONSchemaEmitterOptions, never>;
```

## Type declaration

| Member | Type | Value |
| :------ | :------ | :------ |
| `duplicate-id` | `Object` | - |
| `duplicate-id.default` | `CallableMessage`<[`"id"`]\> | - |
| `invalid-default` | `Object` | - |
| `invalid-default.default` | `CallableMessage`<[`"type"`]\> | - |
| `unknown-scalar` | `Object` | - |
| `unknown-scalar.default` | `CallableMessage`<[`"name"`]\> | - |
