pub type PFN_vkDeviceMemoryReportCallbackEXT = Option<unsafe extern "system" fn(_: *const DeviceMemoryReportCallbackDataEXT, _: *mut c_void)>;
https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/PFN_vkDeviceMemoryReportCallbackEXT.html
