fix lint

Author: Rafael Marinho

stream_chat/types/delivery_receipts.py

@@ -0,0 +1,55 @@
+import sys
+from typing import Dict, List, Optional
+
+if sys.version_info >= (3, 8):
+    from typing import TypedDict
+else:
+    from typing_extensions import TypedDict
+
+
+class DeliveredMessageConfirmation(TypedDict):
+    """
+    Confirmation of a delivered message.
+    
+    Parameters:
+        cid: Channel CID (channel_type:channel_id)
+        id: Message ID
+    """
+    cid: str
+    id: str
+
+
+class MarkDeliveredOptions(TypedDict, total=False):
+    """
+    Options for marking messages as delivered.
+    
+    Parameters:
+        latest_delivered_messages: List of delivered message confirmations
+        user: Optional user object
+        user_id: Optional user ID
+    """
+    latest_delivered_messages: List[DeliveredMessageConfirmation]
+    user: Optional[Dict]  # UserResponse equivalent
+    user_id: Optional[str]
+
+
+class ChannelReadStatus(TypedDict, total=False):
+    """
+    Channel read status information.
+    
+    Parameters:
+        last_read: Last read timestamp
+        unread_messages: Number of unread messages
+        user: User information
+        first_unread_message_id: ID of first unread message
+        last_read_message_id: ID of last read message
+        last_delivered_at: Last delivered timestamp
+        last_delivered_message_id: ID of last delivered message
+    """
+    last_read: str  # ISO format string for timestamp
+    unread_messages: int
+    user: Dict  # UserResponse equivalent
+    first_unread_message_id: Optional[str]
+    last_read_message_id: Optional[str]
+    last_delivered_at: Optional[str]  # ISO format string for timestamp
+    last_delivered_message_id: Optional[str]