code: public Class typeFromObjectTypeId(final String objectTypeId, final BaseTypeId defaultType, final Class defaultClass) {
  
  		// default for cmuis:folder
  		if (defaultType.value().equals(objectTypeId)) {
  			return defaultClass;
  		}
  
  		return StructrApp.getConfiguration().getNodeEntityClass(objectTypeId);
  	}
docs: Returns the Structr type for the given objectTypeId, or the defaultClass of the objectTypeId
  matches the given baseTypeId.
  
  @param objectTypeId
  @param defaultType
  @param defaultClass
  
  @return a Structr type