com.liferay.portal.kernel.search.filter
Interfaces 
Filter
FilterTranslator
FilterVisitor
Classes 
BaseFilter
BooleanFilter
DateRangeTermFilter
ExistsFilter
GeoBoundingBoxFilter
GeoDistanceFilter
GeoDistanceRangeFilter
GeoPolygonFilter
MissingFilter
PrefixFilter
QueryFilter
RangeTermFilter
TermFilter
TermsFilter
Enums 
RangeTermFilter.Operator