- close_folder
- 
		FIXME: add proper description here. 
- close_main
- 
		FIXME: add proper description here. 
- drop
- 
		FIXME: add proper description here. 
- open_folder
- 
		FIXME: add proper description here. 
- open_main
- 
		FIXME: add proper description here. 
- push
- 
		FIXME: add proper description here.