return func(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition {
		defs := GetOpenAPIDefinitions(ref)
		restoreDefinitions(defs)
		return defs
	}
}

// restoreDefinitions restores any changes by disabled features from definition map.
func restoreDefinitions(defs map[string]common.OpenAPIDefinition) {
	// revert changes from OpenAPIEnums