private static void insertBefore(@NotNull TreeChangeEventImpl destinationTreeChange, @NotNull TreeElement anchorBefore, @NotNull TreeElement first) {
    destinationTreeChange.addElementaryChange(anchorBefore.getTreeParent());
    anchorBefore.rawInsertBeforeMe(first);
  }
private static void insertBefore(@NotNull TreeChangeEventImpl destinationTreeChange, @NotNull TreeElement anchorBefore, @NotNull TreeElement first)