gc: actually create instances of the new property nodes.
gc: actually create instances of the new property nodes.

AravisProject/aravis,AravisProject/aravis,lu-zero/aravis,lu-zero/aravis,lu-zero/aravis,lu-zero/aravis,AnilRamachandran/aravis,lu-zero/aravis,AnilRamachandran/aravis,AnilRamachandran/aravis,AnilRamachandran/aravis,AravisProject/aravis,AravisProject/aravis,AravisProject/aravis,AnilRamachandran/aravis