public DelayedResponseLevelRetryHandler build() {
            return new DelayedResponseLevelRetryHandler(delaySupplier, maxRetries, predicate, retryConsumer, retryFailedConsumer);
        }
A {@link ServiceUnavailableRetryStrategy} that supports delayed retries on any response types.

@author bjorncs
http-utils/src/main/java/ai/vespa/util/http/hc4/retry/DelayedResponseLevelRetryHandler.java