pub type PFN_vkGetMemoryMetalHandlePropertiesEXT = unsafe extern "system" fn(_device: Device, _handle_type: ExternalMemoryHandleTypeFlags, _handle: *const c_void, _memory_metal_handle_properties: *mut MemoryMetalHandlePropertiesEXT) -> Result;pub type PFN_vkGetMemoryMetalHandlePropertiesEXT = unsafe extern "system" fn(_device: Device, _handle_type: ExternalMemoryHandleTypeFlags, _handle: *const c_void, _memory_metal_handle_properties: *mut MemoryMetalHandlePropertiesEXT) -> Result;