org.opengis.filter
Interfaces 
And
BinaryComparisonOperator
BinaryLogicOperator
Filter
FilterFactory
FilterFactory2
FilterVisitor
Id
Not
Or
PropertyIsBetween
PropertyIsEqualTo
PropertyIsGreaterThan
PropertyIsGreaterThanOrEqualTo
PropertyIsLessThan
PropertyIsLessThanOrEqualTo
PropertyIsLike
PropertyIsNotEqualTo
PropertyIsNull
Classes 
ExcludeFilter
IncludeFilter