public static boolean isJavaToken(@Nullable ASTNode element) {
    if (element == null) {
      return false;
    }
    return toPsi(element) instanceof PsiJavaToken ||
           is(element, JavaTokenType.IDENTIFIER) ||
           isKeyword(element) ||
           JAVA_TOKEN_TYPE_SET.contains(element.getElementType());
  }
public static boolean isJavaToken(@Nullable ASTNode element)