public Edge withResponseTimeHistogram(HistogramEntry... responseTimeHistogram) {
        if (this.responseTimeHistogram == null) {
            setResponseTimeHistogram(new java.util.ArrayList<HistogramEntry>(responseTimeHistogram.length));
        }
        for (HistogramEntry ele : responseTimeHistogram) {
            this.responseTimeHistogram.add(ele);
        }
        return this;
    }
<p>
A histogram that maps the spread of client response times on an edge. Only populated for synchronous edges.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setResponseTimeHistogram(java.util.Collection)} or
{@link #withResponseTimeHistogram(java.util.Collection)} if you want to override the existing values.
</p>

@param responseTimeHistogram
       A histogram that maps the spread of client response times on an edge. Only populated for synchronous
       edges.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-xray/src/main/java/com/amazonaws/services/xray/model/Edge.java