public void setColumnDescriptions(java.util.Collection<ColumnDescription> columnDescriptions) {
        if (columnDescriptions == null) {
            this.columnDescriptions = null;
            return;
        }

        this.columnDescriptions = new java.util.ArrayList<ColumnDescription>(columnDescriptions);
    }
<p>
A list of ColumnDescription objects.
</p>

@param columnDescriptions
       A list of ColumnDescription objects.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/ExecuteQueryResult.java