default CompletableFuture<CompactionState> getCompactionState(TableName tableName) {
    return getCompactionState(tableName, CompactType.NORMAL);
  }
Get the current compaction state of a table. It could be in a major compaction, a minor
compaction, both, or none.
@param tableName table to examine
@return the current compaction state wrapped by a {@link CompletableFuture}
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncAdmin.java