feat: added support for AssistQueryParameters and SynthesizeSpeechConfig (#621)

* chore: Update gapic-generator-python to v1.8.5

PiperOrigin-RevId: 511892190

Source-Link: googleapis/googleapis@a45d9c0

Source-Link: https://github.com/googleapis/googleapis-gen/commit/1907294b1d8365ea24f8c5f2e059a64124c4ed3b
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMTkwNzI5NGIxZDgzNjVlYTI0ZjhjNWYyZTA1OWE2NDEyNGM0ZWQzYiJ9

feat: added support for AssistQueryParameters and SynthesizeSpeechConfig
docs: add more meaningful comments

PiperOrigin-RevId: 510042252

Source-Link: googleapis/googleapis@7b30db7

Source-Link: https://github.com/googleapis/googleapis-gen/commit/17beb9941750b31faa423a29d7a018346a6b88b5
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feat: enable "rest" transport in Python for services supporting numeric enums

PiperOrigin-RevId: 508143576

Source-Link: googleapis/googleapis@7a702a9

Source-Link: https://github.com/googleapis/googleapis-gen/commit/6ad1279c0e7aa787ac6b66c9fd4a210692edffcd
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

google/cloud/dialogflow_v2/gapic_metadata.json

@@ -61,6 +61,7 @@
 from .transports.base import DEFAULT_CLIENT_INFO, AgentsTransport
 from .transports.grpc import AgentsGrpcTransport
 from .transports.grpc_asyncio import AgentsGrpcAsyncIOTransport
+from .transports.rest import AgentsRestTransport
 
 
 class AgentsClientMeta(type):
@@ -74,6 +75,7 @@ class AgentsClientMeta(type):
     _transport_registry = OrderedDict()  # type: Dict[str, Type[AgentsTransport]]
     _transport_registry["grpc"] = AgentsGrpcTransport
     _transport_registry["grpc_asyncio"] = AgentsGrpcAsyncIOTransport
+    _transport_registry["rest"] = AgentsRestTransport
 
     def get_transport_class(
         cls,

google/cloud/dialogflow_v2/services/agents/client.py

@@ -19,14 +19,18 @@
 from .base import AgentsTransport
 from .grpc import AgentsGrpcTransport
 from .grpc_asyncio import AgentsGrpcAsyncIOTransport
+from .rest import AgentsRestInterceptor, AgentsRestTransport
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[AgentsTransport]]
 _transport_registry["grpc"] = AgentsGrpcTransport
 _transport_registry["grpc_asyncio"] = AgentsGrpcAsyncIOTransport
+_transport_registry["rest"] = AgentsRestTransport
 
 __all__ = (
     "AgentsTransport",
     "AgentsGrpcTransport",
     "AgentsGrpcAsyncIOTransport",
+    "AgentsRestTransport",
+    "AgentsRestInterceptor",
 )