public String pullRequestUrl(String account,String collection,String repoId,String pullRequest){
  Objects.requireNonNull(repoId,"Repository required");
  Objects.requireNonNull(pullRequest,"Pull request required");
  return getTeamBaseUrl(account,collection) + format(PULL_REQUEST,repoId,pullRequest) + getApiVersion();
}

public String pullRequestUrl ( String account , String collection , String repoId , String pullRequest ) { Objects . requireNonNull ( repoId , "Repository required" ) ; Objects . requireNonNull ( pullRequest , "Pull request required" ) ; return getTeamBaseUrl ( account , collection ) + format ( PULL_REQUEST , repoId , pullRequest ) + getApiVersion ( ) ; }
returns pull request url .
