This class represents an auto filter range in a worksheet
creates a new Autofilter object
Adds a filter column. This is the recommended way to create and manage filter columns for your autofilter. In addition to the require id and type parameters, options will be passed to the filter column during instantiation.
actually performs the filtering of rows who's cells do not match the filter.
A collection of filterColumns for this auto_filter
the formula for the defined name required for this auto filter This prepends the worksheet name to the absolute cell reference e.g. A1:B2 -> 'Sheet1'!$A$1:$B$2
The range the autofilter should be applied to. This should be a string like 'A1:B8'
serialize the object
Returns the value of attribute worksheet