diff --git a/simplemind/__init__.py b/simplemind/__init__.py
index c58217f..3d87feb 100644
--- a/simplemind/__init__.py
+++ b/simplemind/__init__.py
@@ -46,7 +46,7 @@ class Session:
             **merged_kwargs,
         )
 
-    def create_conversation(self, **kwargs) -> "Conversation":
+    def create_conversation(self, **kwargs) -> Conversation:
         """Create a conversation using the session's default provider and model."""
         merged_kwargs = {**self.default_kwargs, **kwargs}
         return create_conversation(
@@ -60,11 +60,9 @@ def create_conversation(
     llm_provider=None,
     plugins: Optional[List[BasePlugin]] = None,
     **kwargs,
-):
+) -> Conversation:
     """Create a new conversation."""
 
-    # Note: kwargs are here to eat up any extra arguments passed in from sessions.
-
     # Create the conversation.
     conversation = Conversation(
         llm_model=llm_model,
@@ -78,7 +76,9 @@ def create_conversation(
     return conversation
 
 
-def generate_data(prompt, *, llm_model=None, llm_provider=None, response_model=None):
+def generate_data(
+    prompt, *, llm_model=None, llm_provider=None, response_model=None, **kwargs
+) -> BaseModel:
     """Generate structured data from a given prompt."""
 
     # Find the provider.
@@ -92,7 +92,7 @@ def generate_data(prompt, *, llm_model=None, llm_provider=None, response_model=N
     )
 
 
-def generate_text(prompt, *, llm_model=None, llm_provider=None, **kwargs):
+def generate_text(prompt, *, llm_model=None, llm_provider=None, **kwargs) -> str:
     """Generate text from a given prompt."""
 
     # Find the provider.