Function setup_change 

pub(crate) fn setup_change(verb: &str, json: &str) -> String

An action of Settings ▸ Calls: “ask-role” (Android’s question), “open-roles” (its default apps, to change or stop), “allow-contacts”, “open-blocked”, “dial” {number} (the phone app with a code typed in, never called), “set” {key, value} (a setting of the call screening, screening::set; the table made again at once, off the window’s thread). The tab again.