code: protected void validateFull(
          CmsUUID structureId,
          Map<String, String> sitePaths,
          final AsyncCallback<Map<String, String>> errorCallback) {
  
          validateAliases(structureId, sitePaths, errorCallback);
      }
docs: Performs a validation of the current list of aliases in the widget.<p>
  
  @param structureId the resource's structure id
  @param sitePaths the map from ids to alias site paths
  
  @param errorCallback the callback to invoke when the validation finishes