variables

'variables': dictionary { [ var ]
	'type': [ : ] stategroup (
		'integer' { [ integer ] }
		'text' { [ text ] }
	)
	'secret': stategroup (
		'yes' { [ secret ] }
		'no' { }
	)
}

'has variables': stategroup = node-switch .'variables' (
	| nodes = 'yes' { }
	| none  = 'no'
)