return internalConfig, nil
	}

	return nil, fmt.Errorf("unable to convert %T to *CredentialProviderConfig", obj)
}

// validateCredentialProviderConfig validates CredentialProviderConfig.
func validateCredentialProviderConfig(config *kubeletconfig.CredentialProviderConfig) field.ErrorList {
	allErrs := field.ErrorList{}

	if len(config.Providers) == 0 {

					},
				},
			},
			shouldErr: false,
		},
	}

	for _, testcase := range testcases {
		t.Run(testcase.name, func(t *testing.T) {
			errs := validateCredentialProviderConfig(testcase.config)

			if testcase.shouldErr && len(errs) == 0 {
				t.Errorf("expected error but got none")
			} else if !testcase.shouldErr && len(errs) > 0 {

	}

	credentialProviderConfig, err := readCredentialProviderConfigFile(pluginConfigFile)
	if err != nil {
		return err
	}

	errs := validateCredentialProviderConfig(credentialProviderConfig)
	if len(errs) > 0 {
		return fmt.Errorf("failed to validate credential provider config: %v", errs.ToAggregate())
	}

	// Register metrics for credential providers
	registerMetrics()