<#if type.name() == "BEST_SOLUTION_CHANGED"> ... </#if>
http://stackoverflow.com/questions/12422105/freemarker-an-enum-in-an-if-statement
<#if type.name() == "BEST_SOLUTION_CHANGED"> ... </#if>
http://stackoverflow.com/questions/12422105/freemarker-an-enum-in-an-if-statement