Generate dictionary of Paramiko connection parameters.

def _connect_params_dict(self):
        """Generate dictionary of Paramiko connection parameters."""
        conn_dict = {
            "hostname": self.host,
            "port": self.port,
            "username": self.username,
            "password": self.password,
            "look_for_keys": self.use_keys,
            "allow_agent": self.allow_agent,
            "key_filename": self.key_file,
            "pkey": self.pkey,
            "passphrase": self.passphrase,
            "timeout": self.timeout,
            "auth_timeout": self.auth_timeout,
        }

        # Check if using SSH 'config' file mainly for SSH proxy support
        if self.ssh_config_file:
            conn_dict = self._use_ssh_config(conn_dict)
        return conn_dict