Map<InternalDistributedMember, List<Integer>> buildNodeToBucketMap() throws QueryException {
    return buildNodeToBucketMapForBuckets(bucketsToQuery);
  }
Generates a map with key as PR node and value as the list as a subset of the bucketIds hosted
by the node.

@return the node-to-bucket map
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegionQueryEvaluator.java