internal static extern ErrorCode clang_ModuleMapDescriptor_writeToBuffer(CXModuleMapDescriptor module_map_descriptor, uint options, out CharPtrPtr out_buffer_ptr, out uint out_buffer_size);
internal static extern ErrorCode clang_VirtualFileOverlay_writeToBuffer(CXVirtualFileOverlay virtual_file_overlay, uint options, out CharPtrPtr out_buffer_ptr, out uint out_buffer_size);
