https://hbase.apache.org/2.3/devapidocs/org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.IndexStatistics.html
BucketAllocator.IndexStatistics (Apache HBase 2.3.0 API)
apache hbaseapi
https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-qbusiness-index-indexstatistics.html
AWS::QBusiness::Index IndexStatistics - AWS CloudFormation
Provides information about the number of documents in an index.
awsqbusinessindexcloudformation