code: public final Mono<T> retry(long numRetries, Predicate<? super Throwable> retryMatcher) {
  		return defer(() -> retry(Flux.countingPredicate(retryMatcher, numRetries)));
  	}
docs: Re-subscribes to this {@link Mono} sequence up to the specified number of retries if it signals any
  error that match the given {@link Predicate}, otherwise push the error downstream.
  
  <p>
  <img class="marble" src="doc-files/marbles/retryWithAttemptsAndPredicateForMono.svg" alt="">
  
  @param numRetries the number of times to tolerate an error
  @param retryMatcher the predicate to evaluate if retry should occur based on a given error signal
  
  @return a {@link Mono} that retries on onError up to the specified number of retry
  attempts, only if the predicate matches.