@Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;

        hashCode = prime * hashCode + ((getMinHealthyPercentage() == null) ? 0 : getMinHealthyPercentage().hashCode());
        hashCode = prime * hashCode + ((getInstanceWarmup() == null) ? 0 : getInstanceWarmup().hashCode());
        hashCode = prime * hashCode + ((getCheckpointPercentages() == null) ? 0 : getCheckpointPercentages().hashCode());
        hashCode = prime * hashCode + ((getCheckpointDelay() == null) ? 0 : getCheckpointDelay().hashCode());
        hashCode = prime * hashCode + ((getSkipMatching() == null) ? 0 : getSkipMatching().hashCode());
        hashCode = prime * hashCode + ((getAutoRollback() == null) ? 0 : getAutoRollback().hashCode());
        hashCode = prime * hashCode + ((getScaleInProtectedInstances() == null) ? 0 : getScaleInProtectedInstances().hashCode());
        hashCode = prime * hashCode + ((getStandbyInstances() == null) ? 0 : getStandbyInstances().hashCode());
        hashCode = prime * hashCode + ((getAlarmSpecification() == null) ? 0 : getAlarmSpecification().hashCode());
        hashCode = prime * hashCode + ((getMaxHealthyPercentage() == null) ? 0 : getMaxHealthyPercentage().hashCode());
        return hashCode;
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/RefreshPreferences.java