-/// return the child buffer if the file is a LyX doc and is loaded
-Buffer * getChildBuffer(Buffer const & buffer, InsetCommandParams const & params);
-
-/// return loaded Buffer or zero if the file loading did not proceed.
-Buffer * loadIfNeeded(Buffer const & parent, InsetCommandParams const & params);
-
-///
-void resetParentBuffer(Buffer const * parent, InsetCommandParams const & params,
- bool close_it);