parameters

'context type': component 'plural type selector'

'parameters': [ parameters: ] dictionary {
	'has successor': stategroup = node-switch successor (
		| node = 'yes' { 'successor' = successor }
		| none = 'no'
	)
	'type': [ : ] stategroup (
		'number' { [ number ]
			'numerical type': reference
		}
		'text' { [ text ] }
	)
}

'singular type selector' {
	'has step': stategroup (
		'yes' {
			'step': [ . ] reference
			'tail': component 'singular type selector'
		}
		'no' { }
	)
}

'conditional type selector' {
	'head': component 'singular type selector'
	'has step': stategroup (
		'yes' {
			'step': [ . ] reference
			'state': [ ? ] reference
			'tail': component 'conditional type selector'
		}
		'no' { }
	)
}

'plural type selector' {
	'head': component 'conditional type selector'
	'has step': stategroup (
		'yes' {
			'step': [ ., * ] reference
			'tail': component 'plural type selector'
		}
		'no' { }
	)
}