Function createPrivateKeyJwtAuth

createPrivateKeyJwtAuth(
    options: {
        alg: string;
        audience?: string | URL;
        claims?: Record<string, unknown>;
        issuer: string;
        lifetimeSeconds?: number;
        privateKey: string | Record<string, unknown> | Uint8Array<ArrayBufferLike>;
        subject: string;
    },
): AddClientAuthentication
Helper to produce a private_key_jwt client authentication function.
Parameters
- options: {
      alg: string;
      audience?: string | URL;
      claims?: Record<string, unknown>;
      issuer: string;
      lifetimeSeconds?: number;
      privateKey: string | Record<string, unknown> | Uint8Array<ArrayBufferLike>;
      subject: string;
  }
Returns AddClientAuthentication
Example
```
const addClientAuth = createPrivateKeyJwtAuth({
    issuer: 'my-client',
    subject: 'my-client',
    privateKey: pemEncodedPrivateKey,
    alg: 'RS256'
});
// pass addClientAuth as provider.addClientAuthentication implementation
```
- Defined in packages/client/src/client/authExtensions.ts:27