public static CompletableFuture<AsyncConnection> createAsyncConnection(URI connectionUri) {
    return createAsyncConnection(connectionUri, HBaseConfiguration.create());
  }
Call {@link #createAsyncConnection(URI, Configuration)} using default HBaseConfiguration.
@param connectionUri the connection uri for the hbase cluster
@see #createAsyncConnection(URI, Configuration)
@return AsyncConnection object wrapped by CompletableFuture
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionFactory.java