VK_ERROR_INVALID_EXTERNAL_HANDLE_KHX

Undocumented in source but is binding to an external library. You might be able to learn more by searching the web for its name.
@nogc nothrow extern (System)
enum VK_ERROR_INVALID_EXTERNAL_HANDLE_KHX = VkResult.VK_ERROR_INVALID_EXTERNAL_HANDLE_KHX;

Meta