public ListBoxModel doFillTypeItems(
     @QueryParameter(value = "credential") @RelativePath(value = "..")
         String credentialExistingEmbeddeds,
     @QueryParameter(value = "credential") @RelativePath(value = "../..")
         String credentialNewEmbeddeds,
     @AncestorInPath AbstractProject project) {
   String creds =
       credentialExistingEmbeddeds != null
           ? credentialExistingEmbeddeds
           : credentialNewEmbeddeds;
   Credential credential = RepositoryUtils.retrieveOverridingCredentialFromProject(project);
   DeployitServer deployitServer = RepositoryUtils.getDeployitServer(creds, credential);
   return of(RepositoryUtils.getAllEmbeddedResourceTypes(deployitServer));
 }