VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT

Undocumented in source but is binding to an external library. You might be able to learn more by searching the web for its name.
extern (System) nothrow @nogc
enum VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT = VkFormat.VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT;

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