public static KeyValue createFirstOnRow(final byte[] row, final int roffset, final int rlength,
    final byte[] family, final int foffset, final int flength, final byte[] qualifier,
    final int qoffset, final int qlength) {
    return new KeyValue(row, roffset, rlength, family, foffset, flength, qualifier, qoffset,
      qlength, HConstants.LATEST_TIMESTAMP, KeyValue.Type.Maximum, null, 0, 0);
  }
Create a KeyValue for the specified row, family and qualifier that would be smaller than all
other possible KeyValues that have the same row, family, qualifier. Used for seeking.
@param row       row key
@param roffset   row offset
@param rlength   row length
@param family    family name
@param foffset   family offset
@param flength   family length
@param qualifier column qualifier
@param qoffset   qualifier offset
@param qlength   qualifier length
@return First possible key on passed Row, Family, Qualifier.
hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValueUtil.java