code: func NewHostCertificateManager(c *vim25.Client, ref types.ManagedObjectReference, host types.ManagedObjectReference) *HostCertificateManager {
  	return &HostCertificateManager{
  		Common: NewCommon(c, ref),
  		Host:   NewHostSystem(c, host),
  	}
  }
docs: // NewHostCertificateManager creates a new HostCertificateManager helper