How to use the dapr.proto.common_v1 function in dapr

# Test POST verb without querystring
        ext = dapr._get_http_extension('POST')
        self.assertEqual(common_v1.HTTPExtension.Verb.POST, ext.verb)

        # Test Non-supported http verb
        with self.assertRaises(ValueError):
            ext = dapr._get_http_extension('')

        # Test POST verb with querystring
        qs = (
            ('query1', 'string1'),
            ('query2', 'string2'),
        )
        ext = dapr._get_http_extension('POST', qs)

        self.assertEqual(common_v1.HTTPExtension.Verb.POST, ext.verb)
        for key, val in qs:
            self.assertEqual(val, ext.querystring[key])

def test_http_extension(self):
        dapr = DaprClient(f'localhost:{self.server_port}')

        # Test POST verb without querystring
        ext = dapr._get_http_extension('POST')
        self.assertEqual(common_v1.HTTPExtension.Verb.POST, ext.verb)

        # Test Non-supported http verb
        with self.assertRaises(ValueError):
            ext = dapr._get_http_extension('')

        # Test POST verb with querystring
        qs = (
            ('query1', 'string1'),
            ('query2', 'string2'),
        )
        ext = dapr._get_http_extension('POST', qs)

        self.assertEqual(common_v1.HTTPExtension.Verb.POST, ext.verb)
        for key, val in qs:
            self.assertEqual(val, ext.querystring[key])

def _get_http_extension(
            self, http_verb: str,
            http_querystring: Optional[MetadataTuple] = ()
    ) -> common_v1.HTTPExtension:  # type: ignore
        verb = common_v1.HTTPExtension.Verb.Value(http_verb)  # type: ignore
        http_ext = common_v1.HTTPExtension(verb=verb)
        for key, val in http_querystring:  # type: ignore
            http_ext.querystring[key] = val
        return http_ext