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