code: func RecommendedDefaultPersistentVolumeBinderControllerConfiguration(obj *kubectrlmgrconfigv1alpha1.PersistentVolumeBinderControllerConfiguration) {
  	zero := metav1.Duration{}
  	if obj.PVClaimBinderSyncPeriod == zero {
  		obj.PVClaimBinderSyncPeriod = metav1.Duration{Duration: 15 * time.Second}
  	}
  
  	// Use the default VolumeConfiguration options.
  	RecommendedDefaultVolumeConfiguration(&obj.VolumeConfiguration)
  }
docs: // RecommendedDefaultPersistentVolumeBinderControllerConfiguration defaults a pointer to a
  // PersistentVolumeBinderControllerConfiguration struct. This will set the recommended default
  // values, but they may be subject to change between API versions. This function
  // is intentionally not registered in the scheme as a "normal" `SetDefaults_Foo`
  // function to allow consumers of this type to set whatever defaults for their
  // embedded configs. Forcing consumers to use these defaults would be problematic
  // as defaulting in the scheme is done as part of the conversion, and there would
  // be no easy way to opt-out. Instead, if you want to use this defaulting method
  // run it in your wrapper struct of this type in its `SetDefaults_` method.