How to use the @ckeditor/ckeditor5-dev-utils.bundler.getLicenseBanner function in @ckeditor/ckeditor5-dev-utils

minimizer: [
			new UglifyJsWebpackPlugin( {
				sourceMap: true,
				uglifyOptions: {
					output: {
						// Preserve CKEditor 5 license comments.
						comments: /^!/
					}
				}
			} )
		]
	},

	plugins: [
		new webpack.BannerPlugin( {
			banner: bundler.getLicenseBanner(),
			raw: true
		} ),
	],

	module: {
		rules: [
			{
				test: /\.jsx$/,
				loader: 'babel-loader',
				exclude: /node_modules/,
				query: {
					compact: false,
					presets: [ '@babel/preset-react' ]
				}
			}
		]

// 					// Preserve CKEditor 5 license comments.
	// 					comments: /^!/
	// 				}
	// 			}
	// 		} )
	// 	]
	// },

	plugins: [
		new CKEditorWebpackPlugin( {
			// UI language. Language codes follow the https://en.wikipedia.org/wiki/ISO_639-1 format.
			// When changing the built-in language, remember to also change it in the editor's configuration (src/ckeditor.js).
			language: 'en'
		} ),
		new webpack.BannerPlugin( {
			banner: bundler.getLicenseBanner(),
			raw: true
		} )
	],

	module: {
		rules: [
			{
				test: /\.svg$/,
				use: [ 'raw-loader' ]
			},
			{
				test: /\.(js|jsx)$/,
				exclude: /node_modules[/\\]/,
				use: [
					{
						loader: require.resolve( 'babel-loader' ),

minimizer: [
			new UglifyJsWebpackPlugin( {
				sourceMap: true,
				uglifyOptions: {
					output: {
						// Preserve CKEditor 5 license comments.
						comments: /^!/
					}
				}
			} )
		]
	},

	plugins: [
		new webpack.BannerPlugin( {
			banner: bundler.getLicenseBanner(),
			raw: true
		} ),
	],

	module: {
		rules: [
			{
				test: /\.js$/,
				loader: 'babel-loader',
				exclude: /node_modules/,
			}
		]
	},
};

comments: /^!/
					}
				}
			} )
		]
	},

	plugins: [
		new CKEditorWebpackPlugin( {
			// UI language. Language codes follow the https://en.wikipedia.org/wiki/ISO_639-1 format.
			// When changing the built-in language, remember to also change it in the editor's configuration (src/ckeditor.js).
			language: 'en',
			additionalLanguages: 'all'
		} ),
		new webpack.BannerPlugin( {
			banner: bundler.getLicenseBanner(),
			raw: true
		} )
	],

	module: {
		rules: [
			{
				test: /\.svg$/,
				use: [ 'raw-loader' ]
			},
			{
				test: /\.(js|jsx)$/,
				exclude: /node_modules[/\\]/,
				use: [
					{
						loader: require.resolve( 'babel-loader' ),

path: path.resolve(__dirname, '..', 'src', 'sidebar', 'vendor'),
    filename: 'ckeditor.js',
    libraryTarget: 'umd',
    libraryExport: 'default',
    library: 'ClassicEditor'
  },

  plugins: [
    new CKEditorWebpackPlugin({
      language: 'en'
    }),
    new BabiliPlugin(null, {
      comments: false
    }),
    new webpack.BannerPlugin({
      banner: bundler.getLicenseBanner(),
      raw: true
    })
  ],

  module: {
    rules: [
      {
        test: /\.svg$/,
        use: ['raw-loader']
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: 'style-loader',
            options: {