Class.PrivateFieldtype t('M, 'T) = ('T, t'('M, 'T));and t'('M, 'T) = {key: PrivateName.t('M),value: Property.value('M, 'T),annot: Type.annotation_or_hint('M, 'T),static: bool,variance: option(Variance.t('M)),decorators: list(Class.Decorator.t('M, 'T)),comments: option(Syntax.t('M, unit)),};