@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getReferenceId() != null)
            sb.append("ReferenceId: ").append(getReferenceId()).append(",");
        if (getStartTime() != null)
            sb.append("StartTime: ").append(getStartTime()).append(",");
        if (getEndTime() != null)
            sb.append("EndTime: ").append(getEndTime()).append(",");
        if (getSummaryStatistics() != null)
            sb.append("SummaryStatistics: ").append(getSummaryStatistics()).append(",");
        if (getResponseTimeHistogram() != null)
            sb.append("ResponseTimeHistogram: ").append(getResponseTimeHistogram()).append(",");
        if (getAliases() != null)
            sb.append("Aliases: ").append(getAliases()).append(",");
        if (getEdgeType() != null)
            sb.append("EdgeType: ").append(getEdgeType()).append(",");
        if (getReceivedEventAgeHistogram() != null)
            sb.append("ReceivedEventAgeHistogram: ").append(getReceivedEventAgeHistogram());
        sb.append("}");
        return sb.toString();
    }
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