public List<Cell> get(byte[] family, byte[] qualifier) {
    List<Cell> filteredList = new ArrayList<>();
    for (Cell cell : getCellList(family)) {
      if (CellUtil.matchingQualifier(cell, qualifier)) {
        filteredList.add(cell);
      }
    }
    return filteredList;
  }
Returns a list of all KeyValue objects with matching column family and qualifier.
@param family    column family
@param qualifier column qualifier
@return a list of KeyValue objects with the matching family and qualifier, returns an empty
        list if one doesn't exist for the given family.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java