c_gtk_text_buffer_deserialize

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
gboolean function(GtkTextBuffer* registerBuffer, GtkTextBuffer* contentBuffer, GdkAtom format, GtkTextIter* iter, guint8* data, gsize length, GError** error) c_gtk_text_buffer_deserialize;

Meta