@Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;

        if (obj instanceof GetUpgradeStatusResult == false)
            return false;
        GetUpgradeStatusResult other = (GetUpgradeStatusResult) obj;
        if (other.getUpgradeStep() == null ^ this.getUpgradeStep() == null)
            return false;
        if (other.getUpgradeStep() != null && other.getUpgradeStep().equals(this.getUpgradeStep()) == false)
            return false;
        if (other.getStepStatus() == null ^ this.getStepStatus() == null)
            return false;
        if (other.getStepStatus() != null && other.getStepStatus().equals(this.getStepStatus()) == false)
            return false;
        if (other.getUpgradeName() == null ^ this.getUpgradeName() == null)
            return false;
        if (other.getUpgradeName() != null && other.getUpgradeName().equals(this.getUpgradeName()) == false)
            return false;
        return true;
    }
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-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/GetUpgradeStatusResult.java