How to use the uamqp.authentication function in uamqp

:param username: The name of the shared access policy.
        :type username: str
        :param password: The shared access key.
        :type password: str
        """
        http_proxy = self.config.http_proxy
        transport_type = self.config.transport_type
        auth_timeout = self.config.auth_timeout

        # TODO: the following code can be refactored to create auth from classes directly instead of using if-else
        if isinstance(self.credential, EventHubSharedKeyCredential):
            username = username or self._auth_config['username']
            password = password or self._auth_config['password']
            if "@sas.root" in username:
                return authentication.SASLPlain(
                    self.host, username, password, http_proxy=http_proxy, transport_type=transport_type)
            return authentication.SASTokenAuth.from_shared_access_key(
                self.auth_uri, username, password, timeout=auth_timeout, http_proxy=http_proxy,
                transport_type=transport_type)

        elif isinstance(self.credential, EventHubSASTokenCredential):
            token = self.credential.get_sas_token()
            try:
                expiry = int(parse_sas_token(token)['se'])
            except (KeyError, TypeError, IndexError):
                raise ValueError("Supplied SAS token has no valid expiry value.")
            return authentication.SASTokenAuth(
                self.auth_uri, self.auth_uri, token,
                expires_at=expiry,
                timeout=auth_timeout,
                http_proxy=http_proxy,

if self.sas_token:
            token = self.sas_token() if callable(self.sas_token) else self.sas_token
            try:
                expiry = int(parse_sas_token(token)['se'])
            except (KeyError, TypeError, IndexError):
                raise ValueError("Supplied SAS token has no valid expiry value.")
            return authentication.SASTokenAsync(
                self.auth_uri, self.auth_uri, token,
                expires_at=expiry,
                timeout=self.auth_timeout,
                http_proxy=self.http_proxy)

        username = username or self._auth_config['username']
        password = password or self._auth_config['password']
        if "@sas.root" in username:
            return authentication.SASLPlain(
                self.address.hostname, username, password, http_proxy=self.http_proxy)
        return authentication.SASTokenAsync.from_shared_access_key(
            self.auth_uri, username, password, timeout=self.auth_timeout, http_proxy=self.http_proxy)

"""
        Create an ~uamqp.authentication.SASTokenAuth instance to authenticate
        the session.

        :param username: The name of the shared access policy.
        :type username: str
        :param password: The shared access key.
        :type password: str
        """
        if self.sas_token:
            token = self.sas_token() if callable(self.sas_token) else self.sas_token
            try:
                expiry = int(parse_sas_token(token)['se'])
            except (KeyError, TypeError, IndexError):
                raise ValueError("Supplied SAS token has no valid expiry value.")
            return authentication.SASTokenAuth(
                self.auth_uri, self.auth_uri, token,
                expires_at=expiry,
                timeout=self.auth_timeout,
                http_proxy=self.http_proxy)

        username = username or self._auth_config['username']
        password = password or self._auth_config['password']
        if "@sas.root" in username:
            return authentication.SASLPlain(
                self.address.hostname, username, password, http_proxy=self.http_proxy)
        return authentication.SASTokenAuth.from_shared_access_key(
            self.auth_uri, username, password, timeout=self.auth_timeout, http_proxy=self.http_proxy)

if self.sas_token:
            token = self.sas_token() if callable(self.sas_token) else self.sas_token
            try:
                expiry = int(parse_sas_token(token)['se'])
            except (KeyError, TypeError, IndexError):
                raise ValueError("Supplied SAS token has no valid expiry value.")
            return authentication.SASTokenAsync(
                self.auth_uri, self.auth_uri, token,
                expires_at=expiry,
                timeout=self.auth_timeout,
                http_proxy=self.http_proxy)

        username = username or self._auth_config['username']
        password = password or self._auth_config['password']
        if "@sas.root" in username:
            return authentication.SASLPlain(
                self.address.hostname, username, password, http_proxy=self.http_proxy)
        return authentication.SASTokenAsync.from_shared_access_key(
            self.auth_uri, username, password, timeout=self.auth_timeout, http_proxy=self.http_proxy)