//This expression is true '/*V 'MVEL:value1'-*/'.
//This expression is false '[!V 'MVEL:value2'/]'.
//This expression is dynamic '[!V 'MVEL:value3'/]'.
///*B 'MVEL:value1:[[ true ]]'*/true value/*-B*/
//[!B 'MVEL:value2:[[ false ]]']false value[!/B]
//[!B 'MVEL:value3:[[ thevalue ]]']dynamic value[!/B]