+ static final String USER_AGENT_SIGNAL_ANDROID = Optional.ofNullable(System.getenv("SIGNAL_CLI_USER_AGENT"))
+ .orElse("Signal-Android/7.1.3");
+ static final String USER_AGENT_SIGNAL_CLI = PROJECT_NAME == null
+ ? "signal-cli"
+ : PROJECT_NAME + "/" + PROJECT_VERSION;
+ static final String USER_AGENT = USER_AGENT_SIGNAL_ANDROID + " " + USER_AGENT_SIGNAL_CLI;