pub trait ToolCallGuard: Send + Sync {
// Required method
fn on_tool_call<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
ctx: &'life1 TurnContext,
call: &'life2 ToolCall,
) -> Pin<Box<dyn Future<Output = Result<ToolCallGuardDecision>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
}