Expression.MetaPropertytype t('M) = {meta: Identifier.t('M, 'M),property: Identifier.t('M, 'M),comments: option(Syntax.t('M, unit)),};let pp: (Format.formatter => 'M => unit) => Format.formatter => t('M) => unit;let show: (Format.formatter => 'M => unit) => t('M) => string;