public static void treeToBuffer(@NotNull Appendable buffer,
                                  @NotNull ASTNode root,
                                  int indent,
                                  boolean showWhitespaces,
                                  boolean showRanges,
                                  boolean showChildrenRanges,
                                  boolean showClassNames,
                                  boolean usePsi) {
    treeToBuffer(buffer, root, indent, showWhitespaces, showRanges, showChildrenRanges, showClassNames, usePsi, null);
  }
public static void treeToBuffer(@NotNull Appendable buffer,
                                  @NotNull ASTNode root,
                                  int indent,
                                  boolean showWhitespaces,
                                  boolean showRanges,
                                  boolean showChildrenRanges,
                                  boolean showClassNames,
                                  boolean usePsi)