internal static extern ConstCXIdxCXXClassDeclInfoPtr clang_index_getCXXClassDeclInfo(ConstCXIdxDeclInfoPtr index_decl_info);
internal static extern ConstCXIdxObjCPropertyDeclInfoPtr clang_index_getObjCPropertyDeclInfo(ConstCXIdxDeclInfoPtr index_decl_info);
internal static extern ConstCXIdxObjCInterfaceDeclInfoPtr clang_index_getObjCInterfaceDeclInfo(ConstCXIdxDeclInfoPtr index_decl_info);
internal static extern ConstCXIdxObjCProtocolRefListInfoPtr clang_index_getObjCProtocolRefListInfo(ConstCXIdxDeclInfoPtr index_decl_info);
internal static extern ConstCXIdxObjCContainerDeclInfoPtr clang_index_getObjCContainerDeclInfo(ConstCXIdxDeclInfoPtr index_decl_info);