public ExecuteQueryResult withColumnDescriptions(ColumnDescription... columnDescriptions) {
        if (this.columnDescriptions == null) {
            setColumnDescriptions(new java.util.ArrayList<ColumnDescription>(columnDescriptions.length));
        }
        for (ColumnDescription ele : columnDescriptions) {
            this.columnDescriptions.add(ele);
        }
        return this;
    }
<p>
A list of ColumnDescription objects.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setColumnDescriptions(java.util.Collection)} or {@link #withColumnDescriptions(java.util.Collection)} if
you want to override the existing values.
</p>

@param columnDescriptions
       A list of ColumnDescription objects.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/ExecuteQueryResult.java