| Name | Description | Type | Package | Framework |
| ArrayTypeSignature | Class | reflect.generics.tree | Code Trails | |
| BooleanSignature | AST that represents the type boolean. | Class | reflect.generics.tree | Code Trails |
| BottomSignature | Class | reflect.generics.tree | Code Trails | |
| ByteSignature | AST that represents the type byte. | Class | reflect.generics.tree | Code Trails |
| CharSignature | AST that represents the type char. | Class | reflect.generics.tree | Code Trails |
| ClassSignature | Class | reflect.generics.tree | Code Trails | |
| ClassTypeSignature | AST representing class types. | Class | reflect.generics.tree | Code Trails |
| DoubleSignature | AST that represents the type double. | Class | reflect.generics.tree | Code Trails |