| Name | Description | Type | Package | Framework |
| DetachedVarSymbol | A DetachedVarSymbol represents a variable that is not part of any AST Tree. | Class | org.checkerframework.javacutil.trees | Checker |
| TreeBuilder | The TreeBuilder permits the creation of new AST Trees using the non-public Java compiler API TreeMaker. | Class | org.checkerframework.javacutil.trees | Checker |
| TreeParser | A Utility class for parsing Java expression snippets, and converting them to proper Javac AST nodes. | Class | org.checkerframework.javacutil.trees | Checker |