pub type PFN_vkCmdCopyAccelerationStructureKHR = unsafe extern "system" fn(_command_buffer: CommandBuffer, _info: *const CopyAccelerationStructureInfoKHR);pub type PFN_vkCmdCopyAccelerationStructureKHR = unsafe extern "system" fn(_command_buffer: CommandBuffer, _info: *const CopyAccelerationStructureInfoKHR);