docs: public static void startMailClient(@NonNull final Context context,
                                         @NonNull final String emailAddress,
                                         @Nullable final String subject,
                                         @Nullable final String text) {
          Condition.INSTANCE.ensureNotNull(emailAddress, "The e-mail address may not be null");
          Condition.INSTANCE.ensureNotEmpty(emailAddress, "The e-mail address may not be empty");
          startMailClient(context, new String[]{emailAddress}, subject, text);
      }