static <T extends Response> RetryRuleWithContentBuilder<T> builder(HttpMethod... methods) {
        return builder(ImmutableSet.copyOf(requireNonNull(methods, "methods")));
    }
Returns a newly created {@link RetryRuleWithContentBuilder} with the specified {@link HttpMethod}s.
core/src/main/java/com/linecorp/armeria/client/retry/RetryRuleWithContent.java