public String pullRequestsUrl(String account,String collection,String repoId){
  Objects.requireNonNull(repoId,"Repository id required");
  return getTeamBaseUrl(account,collection) + format(PULL_REQUESTS,repoId) + getApiVersion();
}

public String pullRequestsUrl ( String account , String collection , String repoId ) { Objects . requireNonNull ( repoId , "Repository id required" ) ; return getTeamBaseUrl ( account , collection ) + format ( PULL_REQUESTS , repoId ) + getApiVersion ( ) ; }
returns the url for pull requests .
