public CircuitBreakerRuleWithContent<T> thenIgnore() {
        return build(CircuitBreakerDecision.ignore());
    }
Returns a newly created {@link CircuitBreakerRuleWithContent} that ignores a {@link Response} when
the rule matches.
core/src/main/java/com/linecorp/armeria/client/circuitbreaker/CircuitBreakerRuleWithContentBuilder.java