`TJSArrowFunctionTypeDef`
		aFunction

`TJSTypeDef`
		IsKeyOf
		IsReadonly
		IsInferred
		IsTypeOf
		IsExtends
		IsSpread
		TypeGuard
		TypeGuardKind
		ExtendsCond
		ExtendsTrue
		ExtendsFalse

`TJSElement`
		Source
		Line
		Column
		Flags
		Data

`TJSObject`