public Workflow.Method verifyDatastoreMethod(URI exportGroup,URI vcenter,URI vcenterDatacenter){
  return new Workflow.Method("verifyDatastore",exportGroup,vcenter,vcenterDatacenter);
}

public Workflow . Method verifyDatastoreMethod ( URI exportGroup , URI vcenter , URI vcenterDatacenter ) { return new Workflow . Method ( "verifyDatastore" , exportGroup , vcenter , vcenterDatacenter ) ; }
verifies that datastores contained within an export group can be unmounted . it must not be entering maintenance mode or contain any virtual machines .
