Providing common implementation for Java expression evaluators

Currently, we are using JEXL expression evaluator in our microservice. However, we would like to have the flexibility to change this to some other expression evaluator in future. The issue here is that the expression evaluators from different vendors do not inherit methods from a common interface. Thus, different expression evaluators could have different methods as well as different method signatures, although under the hood they do provide similar functionality. How can I approach this problem in a way that avoids changing the entire code base in case we do decide to change the expression evaluator in future ?