* disable the upper bound on data count.
*
* Another example could be <tt>outputfiles:0_to_10_string</tt> which describes a variable
* called \e outputfiles and which can take between 0 and 10 strings as value.
*
* To some extend, configuration sets can be seen as typed hash structures.
* disable the upper bound on data count.
*
* Another example could be <tt>outputfiles:0_to_10_string</tt> which describes a variable
* called \e outputfiles and which can take between 0 and 10 strings as value.
*
* To some extend, configuration sets can be seen as typed hash structures.