@Override
  protected N getChild(N parent, String childName) throws MetadataException {
    return getChild(parent, childName, parent == skipTemplateDevice);
  }
The interface to start the traversal. The node process should be defined before traversal by
overriding or implement concerned methods.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/traverser/Traverser.java