return typeMetaData;
    }

    private void extractElementTypeName(Type elementType, TypeMetaData typeMetaData) {
        elementType.ifVoidType(voidType -> typeMetaData.setName("void"));
        elementType.ifPrimitiveType(primitiveType -> typeMetaData.setName(primitiveType.asString()));
        elementType.ifWildcardType(wildcardType -> {
            if (!wildcardType.getExtendedType().isPresent() && !wildcardType.getSuperType().isPresent()) {

				} else {
					if _, err = conn.Do("AUTH", args.Password); err != nil {
						conn.Close()
						return nil, err
					}
				}
			}

			// Must be done after AUTH
			if _, err = conn.Do("CLIENT", "SETNAME", "MinIO"); err != nil {
				conn.Close()
				return nil, err
			}

			return conn, nil
		},
		TestOnBorrow: func(c redis.Conn, t time.Time) error {
			_, err := c.Do("PING")
			return err
		},

            crawlerStatusList.add(Constants.READY);
        }

        // run index update
        final IndexUpdater indexUpdater = ComponentUtil.getIndexUpdater();
        indexUpdater.setName("IndexUpdater");
        indexUpdater.setPriority(indexUpdaterPriority);
        indexUpdater.setSessionIdList(sessionIdList);
        indexUpdater.setDaemon(true);
        indexUpdater.setCrawlerList(crawlerList);

                }
            });
        }

        protected CollapseBuilder getCollapseBuilder(final FessConfig fessConfig) {
            final InnerHitBuilder innerHitBuilder = new InnerHitBuilder().setName(fessConfig.getQueryCollapseInnerHitsName())
                    .setSize(fessConfig.getQueryCollapseInnerHitsSizeAsInteger());
            fessConfig.getQueryCollapseInnerHitsSortBuilders()