# Uses of Package
org.springframework.expression.spel.ast

Packages that use org.springframework.expression.spel.ast
Package
Description
org.springframework.expression.spel.ast
SpEL's abstract syntax tree.
org.springframework.expression.spel.standard
SpEL's standard parser implementation.

Classes in org.springframework.expression.spel.ast used by org.springframework.expression.spel.ast
Class
Description
Literal
Common superclass for nodes representing literals (boolean, string, number, etc).
Operator
Common supertype for operators that operate on either one or two operands.
Operator.DescriptorComparison
A descriptor comparison encapsulates the result of comparing descriptor for two operands and describes at what level they are compatible.
SpelNodeImpl
The common supertype of all AST nodes in a parsed Spring Expression Language format expression.
TypeCode
Captures primitive types and their corresponding class objects, plus one special `TypeCode.OBJECT` entry that represents all reference (non-primitive) types.
ValueRef
Represents a reference to a value.
Classes in org.springframework.expression.spel.ast used by org.springframework.expression.spel.standard
Class
Description
SpelNodeImpl
The common supertype of all AST nodes in a parsed Spring Expression Language format expression.