code: func (in *CSIPersistentVolumeSource) DeepCopyInto(out *CSIPersistentVolumeSource) {
  	*out = *in
  	if in.VolumeAttributes != nil {
  		in, out := &in.VolumeAttributes, &out.VolumeAttributes
  		*out = make(map[string]string, len(*in))
  		for key, val := range *in {
  			(*out)[key] = val
  		}
  	}
  	if in.ControllerPublishSecretRef != nil {
  		in, out := &in.ControllerPublishSecretRef, &out.ControllerPublishSecretRef
  		*out = new(SecretReference)
  		**out = **in
  	}
  	if in.NodeStageSecretRef != nil {
  		in, out := &in.NodeStageSecretRef, &out.NodeStageSecretRef
  		*out = new(SecretReference)
  		**out = **in
  	}
  	if in.NodePublishSecretRef != nil {
  		in, out := &in.NodePublishSecretRef, &out.NodePublishSecretRef
  		*out = new(SecretReference)
  		**out = **in
  	}
  	return
  }
docs: // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.