}
				proxyConfig = f.Name()
			}
			config, err := ReadEgressSelectorConfiguration(proxyConfig)
			if err == nil && tc.expectedError != nil {
				t.Errorf("calling ReadEgressSelectorConfiguration expected error: %s, did not get it", *tc.expectedError)
			}
			if err != nil && tc.expectedError == nil {
				t.Errorf("unexpected error calling ReadEgressSelectorConfiguration got: %#v", err)
			}

// validEgressSelectorNames contains the set of valid egress selctor names.
var validEgressSelectorNames = sets.NewString("controlplane", "cluster", "etcd")

func init() {
	install.Install(cfgScheme)
}

// ReadEgressSelectorConfiguration reads the egress selector configuration at the specified path.
// It returns the loaded egress selector configuration if the input file aligns with the required syntax.

// they will be prepared from the recommended/default/no-op values.
func (o *EgressSelectorOptions) ApplyTo(c *server.Config) error {
	if o == nil {
		return nil
	}

	npConfig, err := egressselector.ReadEgressSelectorConfiguration(o.ConfigFile)
	if err != nil {
		return fmt.Errorf("failed to read egress selector config: %v", err)
	}
	errs := egressselector.ValidateEgressSelectorConfiguration(npConfig)
	if len(errs) > 0 {