Started annotating connections.pyi

Author: Spider84pr

stubs/PyMySQL/pymysql/connections.pyi

@@ -172,15 +172,15 @@ class Connection(Generic[_C]):
     def query(self, sql, unbuffered: bool = False) -> int: ...
     def next_result(self, unbuffered: bool = False) -> int: ...
     def affected_rows(self): ...
-    def kill(self, thread_id): ...
+    def kill(self, thread_id) -> None: ...
     def ping(self, reconnect: bool = True) -> None: ...
     @deprecated("Method is deprecated. Use set_character_set() instead.")
     def set_charset(self, charset: str) -> None: ...
     def set_character_set(self, charset: str, collation: str | None = None) -> None: ...
     def connect(self, sock: _socket | None = None) -> None: ...
     def write_packet(self, payload) -> None: ...
     def _read_packet(self, packet_type=...): ...
-    def insert_id(self): ...
+    def insert_id(self) -> int: ...
     def thread_id(self): ...
     def character_set_name(self): ...
     def get_host_info(self) -> str: ...