protected boolean apiPostFilter(final ApiBean api) {
        return Objects.nonNull(api);
    }
Post-processing, you can filter the information that does not need to be registered again through the secondary implementation.<br>
default is pass.

@param api api
@return true is pass
shenyu-client/shenyu-client-core/src/main/java/org/apache/shenyu/client/core/register/extractor/BaseApiBeansExtractor.java