{return U(this.days()/7)},Xt.months=Gt,Xt.years=Vt,Xt.humanize=function(e,a){if(!this.isValid())return this.localeData().invalidDate();var t,s,n=!1,r=Kt;return"object"==typeof e&&(a=e,e=!1),"boolean"==typeof e&&(n=e),"object"==typeof a&&(r=Object.assign({},Kt,a),null!=a.s&&null==a.ss&&(r.ss=a.s-1)),t=this.localeData(),s=qt(this,!n,r,t),n&&(s=t.pastFuture(+this,s)),t.postformat(s)},Xt.toISOString=Qt,Xt.toString=Qt,Xt.toJSON=Qt,Xt.locale=at,Xt.localeData=st,Xt.toIsoString=t("toIsoString() is deprecated....