### Summary

Add type hints to `ansible.utils.display::Display`

### Issue Type

Feature Idea

### Component Name

lib/ansible/utils/display.py
state = states.index('awaiting_escalation')
                display.debug(u'Initial state: %s: %s' % (states[state], to_text(self.become.success)))
        
        
        
        
        
        b_stdout = b_stderr = b''
        b_tmp_stdout = b_tmp_stderr = b''
        self._flags = dict(
            become_prompt=False, become_success=False,
            become_error=False, become_nopasswd_error=False
        )
        
        
        
        timeout = 2 + self.get_option('timeout')
        for fd in (p.stdout, p.stderr):
            fcntl.fcntl(fd, fcntl.F_SETFL, fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK)
        
        
        selector = selectors.DefaultSelector()
        selector.register(p.stdout, selectors.EVENT_READ)
        selector.register(p.stderr, selectors.EVENT_READ)
        
        
        if states[state] == 'ready_to_send' and in_data:
            self._send_initial_data(stdin, in_data, p)
            state += 1
        try: