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

        hashCode = prime * hashCode + ((getReferenceId() == null) ? 0 : getReferenceId().hashCode());
        hashCode = prime * hashCode + ((getStartTime() == null) ? 0 : getStartTime().hashCode());
        hashCode = prime * hashCode + ((getEndTime() == null) ? 0 : getEndTime().hashCode());
        hashCode = prime * hashCode + ((getSummaryStatistics() == null) ? 0 : getSummaryStatistics().hashCode());
        hashCode = prime * hashCode + ((getResponseTimeHistogram() == null) ? 0 : getResponseTimeHistogram().hashCode());
        hashCode = prime * hashCode + ((getAliases() == null) ? 0 : getAliases().hashCode());
        hashCode = prime * hashCode + ((getEdgeType() == null) ? 0 : getEdgeType().hashCode());
        hashCode = prime * hashCode + ((getReceivedEventAgeHistogram() == null) ? 0 : getReceivedEventAgeHistogram().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-xray/src/main/java/com/amazonaws/services/xray/model/Edge.java