ReactorBulkheadAspectExt implements BulkheadAspectExt { @Override public boolean canHandleReturnType(Class returnType) { return (Flux.class.isAssignableFrom(returnType)) || (Mono.class .isAssignableFrom(returnType)); }  @Override boolean canHandleReturnType(Class returnType); @Override Object handle(ProceedingJoinPoint proceedingJoinPoint, Bulkhead bulkhead,
        String methodName);  }
@Test public void testCheckTypes() { assertThat(reactorBulkheadAspectExt.canHandleReturnType(Mono.class)).isTrue(); assertThat(reactorBulkheadAspectExt.canHandleReturnType(Flux.class)).isTrue(); }