final NameCompleter completer = new NameCompleter();
// first: check for must have parameters; then rest.
if (_config.getFilename() == null) {
completer.addName("from");
} else if (_config.getTable() == null) {
completer.addName("into");
} else if (_config.getColumns() == null) {
completer.addName("columns");
} else {
if (_config.getColDelimiter() == null) {
completer.addName("column-delim");