pub type PFN_vkCreateSamplerYcbcrConversion = unsafe extern "system" fn(Device, *const SamplerYcbcrConversionCreateInfo<'_>, *const AllocationCallbacks<'_>, *mut SamplerYcbcrConversion) -> Result;pub type PFN_vkCreateSamplerYcbcrConversion = unsafe extern "system" fn(Device, *const SamplerYcbcrConversionCreateInfo<'_>, *const AllocationCallbacks<'_>, *mut SamplerYcbcrConversion) -> Result;