code: public PagedList<CertificateIssuerItem> listCertificateIssuers(final String vaultBaseUrl,
              final Integer maxresults) {
          return getCertificateIssuers(vaultBaseUrl, maxresults);
      }
docs: List certificate issuers for the specified vault.
  
  @param vaultBaseUrl
  The vault name, e.g. https://myvault.vault.azure.net
  @param maxresults
  Maximum number of results to return in a page. If not specified
  the service will return up to 25 results.
  @return the PagedList&lt;CertificateIssuerItem&gt; if successful.