code: public Contacts setCertificateContacts(String vaultBaseUrl, Contacts contacts) {
          return setCertificateContactsWithServiceResponseAsync(vaultBaseUrl, contacts).toBlocking().single().body();
      }
docs: Sets the certificate contacts for the specified key vault.
  Sets the certificate contacts for the specified key vault. This operation requires the certificates/managecontacts permission.
  
  @param vaultBaseUrl The vault name, for example https://myvault.vault.azure.net.
  @param contacts The contacts for the key vault certificate.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws KeyVaultErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the Contacts object if successful.