code: function (element, options) {
      this.$element = $(element)
      this.options = $.extend({}, $.fn.collapse.defaults, options)
  
      if (this.options.parent) {
        this.$parent = $(this.options.parent)
      }
  
      this.options.toggle && this.toggle()
    }
docs: jshint ;_; /* COLLAPSE PUBLIC CLASS DEFINITION
  ================================