PreviousValues defines the previous values that the parameter has accepted.
PreviousValues inside the <info> element is structured as follows:
<previous> <value id="Integer">A value</value> ... </previous>
PreviousValues inside the <answer> element is structured as DefaultValues:
<values> <value id="Integer" final="true|false">A value</value> ... </value>
The GET .../parameters request adheres to the following rules regarding the management of previous and default values: