Standard
Inbox
Starred
Sent mail
Drafts
Pre-selected
Inbox
Starred
Sent mail
Drafts
Multi-select
Bold
Italic
Underline
Strikethrough
Sub-menu
paper-menu
Properties
focusedItem
attrForItemTitle
Methods
select(value)
paper-submenu
Properties
opened
Methods
open()
close()
toggle()
Unavailable
Unavailable 1
Unavailable 2