Function default_output_file_bridge_fn 

pub fn default_output_file_bridge_fn<'a>(
    triple: &'a BatchFileTriple,
    workspace: &'a (dyn BatchWorkspaceInterface + 'a),
    ect: &'a ExpectedContentType,
) -> Pin<Box<dyn Future<Output = Result<(), BatchOutputProcessingError>> + Send + 'a>>

A default bridging function, if the user doesn’t specify a particular T type. We’ll parse each line as a CamelCaseTokenWithComment or whichever default type we prefer.