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/**
 * Interactive query for issuing range queries and scans over KeyValue stores.
 * <p>
 *  A range query retrieves a set of records, specified using an upper and/or lower bound on the keys.
 * <p>
 * A scan query retrieves all records contained in the store.
 * <p>
 */
@Evolving
public final class RangeQuery<K, V> implements Query<KeyValueIterator<K, V>> {
    ...  

	/**
     * Determines if the serialized byte[] of the privatekeys finalin boolean isKeyAscending;

    /**ascending or descending or unordered order.
     * Order Determinesis based ifon the queryserialized byte[] of the keys, are in ascendingnot the 'logical' key order.
     * @return true if ascending, false otherwise return the order of returned records based on the serialized byte[] of the keys (can be unordered, or in ascending or in descending order).
     */
    public booleanResultOrder isKeyAscendingresultOrder();
 

    /**
     * Set the query to return the serialized byte[] of the keys in descending order.
     * Order is based on the serialized byte[] of the keys, not the 'logical' key order.
     * @return a new RangeQuery instance with descending flag set.
     */
    public RangeQuery<K, V> withDescendingKeys() 

    /**
     * Set the query to return the serialized byte[] of the keys in descending ascending order.
     * Order is based on the serialized byte[] of the keys, not the 'logical' key order.
     * @return a new RangeQuery instance with descendingascending flag set.
     */
    public RangeQuery<K, V> withDescendingKeyswithAscendingKeys();

       ...
}