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

        hashCode = prime * hashCode + ((getStackSetId() == null) ? 0 : getStackSetId().hashCode());
        hashCode = prime * hashCode + ((getRegion() == null) ? 0 : getRegion().hashCode());
        hashCode = prime * hashCode + ((getAccount() == null) ? 0 : getAccount().hashCode());
        hashCode = prime * hashCode + ((getStackId() == null) ? 0 : getStackId().hashCode());
        hashCode = prime * hashCode + ((getStatus() == null) ? 0 : getStatus().hashCode());
        hashCode = prime * hashCode + ((getStatusReason() == null) ? 0 : getStatusReason().hashCode());
        hashCode = prime * hashCode + ((getStackInstanceStatus() == null) ? 0 : getStackInstanceStatus().hashCode());
        hashCode = prime * hashCode + ((getOrganizationalUnitId() == null) ? 0 : getOrganizationalUnitId().hashCode());
        hashCode = prime * hashCode + ((getDriftStatus() == null) ? 0 : getDriftStatus().hashCode());
        hashCode = prime * hashCode + ((getLastDriftCheckTimestamp() == null) ? 0 : getLastDriftCheckTimestamp().hashCode());
        hashCode = prime * hashCode + ((getLastOperationId() == null) ? 0 : getLastOperationId().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-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/StackInstanceSummary.java