pub type PFN_vkCmdCopyAccelerationStructureNV = unsafe extern "system" fn(_command_buffer: CommandBuffer, _dst: AccelerationStructureNV, _src: AccelerationStructureNV, _mode: CopyAccelerationStructureModeKHR);pub type PFN_vkCmdCopyAccelerationStructureNV = unsafe extern "system" fn(_command_buffer: CommandBuffer, _dst: AccelerationStructureNV, _src: AccelerationStructureNV, _mode: CopyAccelerationStructureModeKHR);