header top-level property
      
      String
      get
      header
      
    
    
    
Implementation
String get header {
  const ignoredLintRules = {
    'unused_import',
    'prefer_relative_imports',
    'directives_ordering',
  };
  final parts = [
    '$defaultFileHeader',
    '',
    '// coverage:ignore-file',
    '// ignore_for_file: type=lint',
    '// ignore_for_file: ${ignoredLintRules.join(", ")}',
  ];
  return parts.join('\n');
}