Relax handler supports checks in WebFlux RequestMappingHandlerAdapter [SPR-17420]

[spring-projects-issues]

Brian Clozel opened SPR-17420 and commented

This is useful for implementations extending RequestMappingHandlerAdapter and HandlerMapping - something done in Spring Boot for its Actuator reactive endpoints support.

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Affects: 5.1.1

Reference URL: spring-projects/spring-boot#14292