public static boolean isMultiLevelMatchWildcard(final String node) {
    return MULTI_LEVEL_PATH_WILDCARD.equals(node);
  }
The input string is a single node of a path pattern. Return true if the node may be a
patternNode that can match batch explicit node names. e.g. *, e.g. *, **, d*, *d*.
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/path/PathPatternUtil.java