public RepositoryChanged updateExistingRepository(String repoName,String repoRemoteLocation,String repoUserName,String repoPassword,String repoLocations,String repoBranch,boolean useCredentials){
  return null;
}

public RepositoryChanged updateExistingRepository ( String repoName , String repoRemoteLocation , String repoUserName , String repoPassword , String repoLocations , String repoBranch , boolean useCredentials ) { return null ; }
this method to be implemented by the extending class
