public void insertChangeNode(@NotNull StaticFilePath pathKey,
                               @NotNull ChangesBrowserNode<?> subtreeRoot,
                               @NotNull ChangesBrowserNode<?> node) {
    insertChangeNode(pathKey, subtreeRoot, node, TreeModelBuilder::createPathNode);
  }
public void insertChangeNode(@NotNull StaticFilePath pathKey,
                               @NotNull ChangesBrowserNode<?> subtreeRoot,
                               @NotNull ChangesBrowserNode<?> node)