can i save flowdocument baml programmatic way?

has anyone found proceed save flowdocument baml dense format? i import xml images emanate new flowdocument:

<textrange category instance>.load(fs, dataformats.rtf)

however, i haven't found good proceed save 'native' dense format. uncompressed xaml easy beget using:

<textrange category instance>.save(fs, dataformats.xaml);

but there any programmatic slight save dense format?

if there isn't an existent method, does anyone know where programmatic xaml compiler? even only baml specifications? i programmatically beget an whole xaml window flowdocument embedded, nonetheless i'd still wish modify xaml baml faster bucket times. i'm controlling comparatively infinite rtf papers reworking controlling dataformats.rtf significant.