private boolean removeMapping(Object rowKey, Object columnKey, Object value) {
    if (containsMapping(rowKey, columnKey, value)) {
      remove(rowKey, columnKey);
      return true;
    }
    return false;
  }
private boolean removeMapping(Object rowKey, Object columnKey, Object value) {
    if (containsMapping(rowKey, columnKey, value)) {
      remove(rowKey, columnKey);
      return true;
    }
    return false;
  }
private boolean removeMapping ( Object rowKey , Object columnKey , Object value ) { if ( containsMapping ( rowKey , columnKey , value ) ) { remove ( rowKey , columnKey ) ; return true ; } return false ; }
Remove a row key / column key / value mapping, if present.
Remove a row key / column key / value mapping if present .