Constant VkBuildAccelerationStructureFlagBitsKHR_VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_COMPACTION_BIT_KHR
pub const VkBuildAccelerationStructureFlagBitsKHR_VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_COMPACTION_BIT_KHR: VkBuildAccelerationStructureFlagBitsKHR = 2;