internal static extern CXSourceRange   clang_getTokenExtent(CXTranslationUnit _, CXToken __);
 internal static extern CXString        clang_getTokenSpelling(CXTranslationUnit _, CXToken __);
 internal static extern CXSourceLocation        clang_getTokenLocation(CXTranslationUnit _, CXToken __);
 internal static extern TokenKind       clang_getTokenKind(CXToken _);