The child widget to wrap.
OptionalcontentThe layout to sit underneath the toolbar and above the content, and that extensions can populate. Defaults to an empty BoxPanel.
OptionalnodeThe optional node to use for the widget.
If a node is provided, the widget will assume full ownership and control of the node, as if it had created the node itself.
The default is a new <div>.
OptionalrevealAn optional promise for when the content is ready to be revealed.
OptionaltagThe optional element tag, used for constructing the widget's node.
If a pre-constructed node is provided via the node arg, this
value is ignored.
OptionaltoolbarThe toolbar to use for the widget. Defaults to an empty toolbar.
OptionaltranslatorThe application language translator.
An options object for creating a main area widget.