convert method

@override String convert()

Implementation

@override
String convert() {
  final root = _root;
  final rootName = root.name;
  final lines = <String>[
    '# Completion for $rootName: ${_summary(root.description)}',
    _helpers(),
    '',
  ];
  _writeCommand(lines, root, [rootName], const [], const [], const []);
  return '${lines.join('\n')}\n';
}