Kieran's update on the API proposal

add session_id onto message, and autorenewer class.

Author: yunhaoling

sdk/servicebus/azure-servicebus/api_review.py

@@ -136,13 +136,15 @@ def expired(self) -> bool:
 
 
 class Message:
-    def __init__(self, body : str, encoding : str = 'UTF-8', **kwargs) -> None:
+    def __init__(self, body : str, encoding : str = 'UTF-8', session_id : str = None, **kwargs) -> None:
     def __str__(self):
 
     # @properties
     def body(self) -> Union[bytes, Generator[bytes]]:  # read-only
     def partition_key(self, value : str):
     def partition_key(self) -> str:
+    def session_id(self, value : str):
+    def session_id(self) -> str:
     def via_partition_key(self, value: str):
     def via_partition_key(self) -> str:
     def time_to_live(self, value : Union[float, timedelta]):
@@ -204,3 +206,10 @@ class TransportType(Enum):
 class ServiceBusSharedKeyCredential:
     def __init__(self, policy, key):
     def get_token(self, *scopes, **kwargs):
+
+
+class AutoLockRenew:
+    def __init__(self, executor=None, max_workers=None):
+    def __enter__(self):
+    def __exit__(self, *args):
+    def register(self, renewable, timeout=300):