Function clientCredentialsTokenProvider

clientCredentialsTokenProvider(
options: ClientCredentialsTokenProviderOptions,
): TokenProvider
Creates a TokenProvider that obtains tokens via the OAuth2 client credentials grant. Tokens are cached and automatically refreshed when expired.

Not for browser use. Client secrets must not be exposed in client-side code. Use this only in server-side (Node.js/Deno) environments.
Parameters
- options: ClientCredentialsTokenProviderOptions
Returns TokenProvider
Example
```
const client = new OpenTDF({
  interceptors: [authTokenInterceptor(clientCredentialsTokenProvider({
    clientId: 'opentdf',
    clientSecret: 'secret',
    oidcOrigin: 'http://localhost:8080/auth/realms/opentdf',
  }))],
  platformUrl: 'http://localhost:8080',
});
```
- Defined in src/auth/token-providers.ts:139