docs: function () {
    'use strict';
  
    // default options for angularTemplatecache gulp task
    var options = {
      config: {
        compilePatternsOnImport: false,
        dataSource: 'pattern',
        dataFileName: 'pattern.yml',
        htmlTemplateDest: './source/_patterns',
        stylesDest: './source/css/scss',
        scriptsDest: './source/js',
        cssCompiler: 'sass', // sass, less, stylus, none
        templateEngine: 'twig',
        templateEngineOptions: {
          base: 'node_modules/pattern-library/patterns/',
          async: false
        },
        templateDonut: {
          twig: './node_modules/pattern-importer/templates/donut.twig'
        },
        convertCategoryTitles: true
      },
      src: ['./node_modules/pattern-library/patterns/**/pattern.yml'],
      taskName: 'patterns-import', // default task name
      dependencies: [] // gulp tasks which should be run before this task
    };
  
    return options;
  }