})
	if err != nil {
		return nil, fmt.Errorf("failed to initialize client certificate manager: %v", err)
	}

	return m, nil
}

// NewKubeletServerCertificateDynamicFileManager creates a certificate manager based on reading and watching certificate and key files.
// The returned struct implements certificate.Manager interface, enabling using it like other CertificateManager in this package.

			}

			certDir := t.TempDir()
			certPath, keyPath, err := createFn(certDir)
			if err != nil {
				t.Fatalf("Unable to setup cert files: %v", err)
			}

			m, err := NewKubeletServerCertificateDynamicFileManager(certPath, keyPath)
			if err != nil {
				t.Fatalf("Unable to create certificte provider: %v", err)
			}

			m.Start()
			defer m.Stop()

			c := m.Current()
			if c == nil {

			klet.serverCertificateManager, err = kubeletcertificate.NewKubeletServerCertificateDynamicFileManager(kubeDeps.TLSOptions.CertFile, kubeDeps.TLSOptions.KeyFile)
			if err != nil {
				return nil, fmt.Errorf("failed to initialize file based certificate manager: %w", err)
			}
		}