Ankh.HTTP2.Frame.Splittable.split

You're seeing just the function split, go back to Ankh.HTTP2.Frame.Splittable module for more information.
Link to this function

split(frame, frame_size)

Specs

split(t(), non_neg_integer()) :: [Ankh.HTTP2.Frame.t()]

Returns N frames for frame with the specified frame_size.