pub type PFN_vkCmdDebugMarkerBeginEXT = unsafe extern "system" fn(_command_buffer: CommandBuffer, _marker_info: *const DebugMarkerMarkerInfoEXT);pub type PFN_vkCmdDebugMarkerBeginEXT = unsafe extern "system" fn(_command_buffer: CommandBuffer, _marker_info: *const DebugMarkerMarkerInfoEXT);