public Position getPosition() {
        return position;
    }
This state partition's exact position in its history when this query was executed. Can be
used in conjunction with subsequent queries via {@link StateQueryRequest#withPositionBound(PositionBound)}.
<p>
Note: stores are encouraged, but not required to set this property.
streams/src/main/java/org/apache/kafka/streams/query/internals/AbstractQueryResult.java