static RetryRule onStatus(BiPredicate<? super ClientRequestContext, ? super HttpStatus> statusFilter) {
        return onStatus(statusFilter, Backoff.ofDefault());
    }
Returns a newly created a {@link RetryRule} that will retry with the
{@linkplain Backoff#ofDefault() default backoff} if the response status matches
the specified {@code statusFilter}.
core/src/main/java/com/linecorp/armeria/client/retry/RetryRule.java