public void setReferenceId(Integer referenceId) {
        this.referenceId = referenceId;
    }
<p>
Identifier of the edge. Unique within a service map.
</p>

@param referenceId
       Identifier of the edge. Unique within a service map.
aws-java-sdk-xray/src/main/java/com/amazonaws/services/xray/model/Edge.java