| Package | Description | 
|---|---|
| org.springframework.expression.spel.ast | SpEL's abstract syntax tree. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Operator.DescriptorComparison | Operator.DescriptorComparison. checkNumericCompatibility(String leftDeclaredDescriptor,
                         String rightDeclaredDescriptor,
                         String leftActualDescriptor,
                         String rightActualDescriptor)Return an object that indicates whether the input descriptors are compatible. |