Collection < IndicatorFilter > function ( ) { return filters ; }
returns the collection of filters . concode_field_sep Date writeDate concode_elem_sep String indicatorKey concode_elem_sep Collection<IndicatorGroup> groups concode_elem_sep Collection<IndicatorFilter> filters concode_field_sep String getKey concode_elem_sep Date getWriteDate concode_elem_sep Indicator addFilter concode_elem_sep Indicator addGroup concode_elem_sep void setWriteDate concode_elem_sep Collection<IndicatorGroup> getGroups concode_elem_sep void aggregate