A simple key-value pair helper class.
Commonly used in creating a selection java.util.List for the SelectionBoxAttribute. For example,
private static final SelectionBoxAttribute inIncludeInActive =
new SelectionBoxAttribute("ACTIVE_ID","Include In-Active [Default: false]", true);
static
{
inIncludeInActive.getItems().add(new KeyValuePair<String, String>("true", "True"));
inIncludeInActive.getItems().add(new KeyValuePair<String, String>("false", "False"));
}