pub type PFN_vkGetDescriptorSetLayoutHostMappingInfoVALVE = unsafe extern "system" fn(device: Device, p_binding_reference: *const DescriptorSetBindingReferenceVALVE, p_host_mapping: *mut DescriptorSetLayoutHostMappingInfoVALVE);
pub type PFN_vkGetDescriptorSetLayoutHostMappingInfoVALVE = unsafe extern "system" fn(device: Device, p_binding_reference: *const DescriptorSetBindingReferenceVALVE, p_host_mapping: *mut DescriptorSetLayoutHostMappingInfoVALVE);