org.datanucleus.query.typesafe
Interfaces 
BooleanExpression
ByteExpression
CharacterExpression
CollectionExpression
ComparableExpression
DateExpression
DateTimeExpression
EnumExpression
Expression
ListExpression
MapExpression
NumericExpression
ObjectExpression
OrderExpression
PersistableExpression
StringExpression
SubqueryExpression
TemporalExpression
TimeExpression
TypesafeQuery
TypesafeSubquery
Enums 
OrderExpression.OrderDirection