Literal
trait Expression
trait Product
trait Equals
trait TreeNode[Expression]
class Object
trait Matchable
class Any
class BinaryLiteral
trait BooleanLiteral
object FalseLiteral.type
object TrueLiteral.type
class CharLiteral
class DecimalLiteral
class DoubleLiteral
class GenericLiteral
class IntervalLiteral
class LongLiteral
object NullLiteral.type
class StringLiteral
class TimeLiteral
class TimestampLiteral