class AbstractMeta implements ChangedFlagInterface, UndoInterface, HasDatabasesInterface, VariableSpace,
  EngineMetaInterface, NamedParams, HasSlaveServersInterface, AttributesInterface, HasRepositoryInterface,
  LoggingObjectInterface {

  @Override
  public String environmentSubstitute( String aString ) {
    return variables.environmentSubstitute( aString );
  }

}