Here are the data structures with brief descriptions:

CDataFrameHeader	Packed binary frame header written ahead of each JLAB SRO payload
CGRootTree	Helper class encapsulating one ROOT `TTree` and its branch storage
CGStreamer	Abstract base class for all gstreamer output plugins
CGstreamerCsvFactory	CSV plugin writing flattened event and run data into separate CSV files
CGStreamerDefinition	Lightweight description of one configured gstreamer output
CGstreamerJsonFactory	JSON plugin writing structured event or frame output into a single JSON document
CGstreamerJSROFactory	JLAB SRO plugin producing packed binary frame streams in `".ev"` files
CGstreamerRootFactory	ROOT plugin writing event and run content into `TTree` objects stored in one `TFile`
CGstreamerTextFactory	ASCII plugin that writes human-readable event, run, and frame content to a text file