pub type PFN_vkSetHdrMetadataEXT = unsafe extern "system" fn(device: Device, swapchain_count: u32, p_swapchains: *const SwapchainKHR, p_metadata: *const HdrMetadataEXT);
pub type PFN_vkSetHdrMetadataEXT = unsafe extern "system" fn(device: Device, swapchain_count: u32, p_swapchains: *const SwapchainKHR, p_metadata: *const HdrMetadataEXT);