public void setRecordColumnUpdates(java.util.Collection<RecordColumn> recordColumnUpdates) {
        if (recordColumnUpdates == null) {
            this.recordColumnUpdates = null;
            return;
        }

        this.recordColumnUpdates = new java.util.ArrayList<RecordColumn>(recordColumnUpdates);
    }
<p>
A list of <code>RecordColumn</code> objects. Each object describes the mapping of the streaming source element to
the corresponding column in the in-application stream.
</p>

@param recordColumnUpdates
       A list of <code>RecordColumn</code> objects. Each object describes the mapping of the streaming source
       element to the corresponding column in the in-application stream.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/InputSchemaUpdate.java