default boolean[] exists(List<Get> gets) throws IOException {
    throw new NotImplementedException("Add an implementation!");
  }
Test for the existence of columns in the table, as specified by the Gets.
<p>
This will return an array of booleans. Each value will be true if the related Get matches one
or more keys, false if not.
<p>
This is a server-side call so it prevents any data from being transferred to the client.
@param gets the Gets
@return Array of boolean. True if the specified Get matches one or more keys, false if not.
@throws IOException e
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Table.java