Type Definition vulkanalia::vk::PFN_vkGetSemaphoreCounterValueKHR

type PFN_vkGetSemaphoreCounterValueKHR = extern "system" fn(Device, Semaphore, *mut u64) -> Result;

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetSemaphoreCounterValueKHR.html