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h.length&&h[0]||null}}(t,this._rrule,this._exrule,this._rdate,this._exdate,this.tzid())},Xt.prototype.rrule=function(t){ee(t,this._rrule)},Xt.prototype.exrule=function(t){ee(t,this._exrule)},Xt.prototype.rdate=function(t){ne(t,this._rdate)},Xt.prototype.exdate=function(t){ne(t,this._exdate)},Xt.prototype.rrules=function(){return this._rrule.map(function(t){return Bt(t.toString())})},Xt.prototype.exrules=function(){return this._exrule.map(function(t){return Bt(t.toString())})},Xt.prototype.rdates=function(){return this._rdate.map(function(t){return new Date(t.getTime())})},Xt.prototype.exdates=function(){return this._exdate.map(function(t){return new Date(t.getTime())})},Xt.prototype.valueOf=function(){var e=[];return!this._rrule.length&&this._dtstart&&(e=e.concat(dt({dtstart:this._dtstart}))),this._rrule.forEach(function(t){e=e.concat(t.toString().split("\n"))}),this._exrule.forEach(function(t){e=e.concat(t.toString().split("\n").map(function(t){return 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  /*!
   * rrule.js - Library for working with recurrence rules for calendar dates.
   * https://github.com/jakubroztocil/rrule
   *
   * Copyright 2010, Jakub Roztocil and Lars Schoning
   * Licenced under the BSD licence.
   * https://github.com/jakubroztocil/rrule/blob/master/LICENCE
   *
   * Based on:
   * python-dateutil - Extensions to the standard Python datetime module.
   * Copyright (c) 2003-2011 - Gustavo Niemeyer <gustavo@niemeyer.net>
   * Copyright (c) 2012 - Tomi Pieviläinen <tomi.pievilainen@iki.fi>
   * https://github.com/jakubroztocil/rrule/blob/master/LICENCE
   *
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