docs: public void setupFields()
      {
          FieldInfo field = null;
          field = new FieldInfo(this, ID, Constants.DEFAULT_FIELD_LENGTH, null, null);
          field.setDataClass(Integer.class);
          field.setHidden(true);
          field = new FieldInfo(this, LAST_CHANGED, Constants.DEFAULT_FIELD_LENGTH, null, null);
          field.setDataClass(Date.class);
          field.setHidden(true);
          field = new FieldInfo(this, DELETED, 10, null, new Boolean(false));
          field.setDataClass(Boolean.class);
          field.setHidden(true);
          field = new FieldInfo(this, NAME, 100, null, null);
          field = new FieldInfo(this, PARENT_FOLDER_ID, Constants.DEFAULT_FIELD_LENGTH, null, null);
          field.setDataClass(Integer.class);
          field = new FieldInfo(this, SEQUENCE, 5, null, null);
          field.setDataClass(Short.class);
          field = new FieldInfo(this, COMMENT, 32000, null, null);
          field = new FieldInfo(this, CODE, 30, null, null);
          field = new FieldInfo(this, DESCRIPTION, 100, null, null);
          field = new FieldInfo(this, SYSTEM_CLASSES, 10, null, null);
          field.setDataClass(Boolean.class);
          field = new FieldInfo(this, PACKAGE_NAME, 100, null, null);
          field = new FieldInfo(this, PROJECT_PATH, 100, null, null);
          field = new FieldInfo(this, INTERFACE_PACKAGE, 100, null, null);
          field = new FieldInfo(this, INTERFACE_PROJECT_PATH, 100, null, null);
          field = new FieldInfo(this, THIN_PACKAGE, 100, null, null);
          field = new FieldInfo(this, THIN_PROJECT_PATH, 100, null, null);
          field = new FieldInfo(this, RESOURCE_PACKAGE, 100, null, null);
          field = new FieldInfo(this, RES_PROJECT_PATH, 100, null, null);
          field = new FieldInfo(this, PROPERTIES, Constants.DEFAULT_FIELD_LENGTH, null, null);
          field = new FieldInfo(this, ARTIFACT_ID, Constants.DEFAULT_FIELD_LENGTH, null, null);
          field = new FieldInfo(this, GROUP_ID, Constants.DEFAULT_FIELD_LENGTH, null, null);
      }