@Override
    public String toString() {
        if (this == SUCCESS) {
            return "CircuitBreakerDecision(SUCCESS)";
        } else if (this == FAILURE) {
            return "CircuitBreakerDecision(FAILURE)";
        } else if (this == NEXT) {
            return "CircuitBreakerDecision(NEXT)";
        } else if (this == IGNORE) {
            return "CircuitBreakerDecision(IGNORE)";
        } else {
            return super.toString();
        }
    }
Returns a {@link CircuitBreakerDecision} that ignores a {@link Response} and does not count as a success
nor failure.
core/src/main/java/com/linecorp/armeria/client/circuitbreaker/CircuitBreakerDecision.java