How to use the @ckeditor/ckeditor5-dev-utils.git.checkout function in @ckeditor/ckeditor5-dev-utils

}

	if ( urlInfo ) {
		repositoryPath = path.join( workspaceAbsolutePath, urlInfo.name );

		if ( tools.isDirectory( repositoryPath ) ) {
			log.info( `Directory ${ repositoryPath } already exists.` );
		} else {
			log.info( `Cloning ${ urlInfo.name } into ${ repositoryPath }...` );
			git.cloneRepository( urlInfo, workspaceAbsolutePath );
		}

		// Checkout to specified branch if one is provided.
		if ( urlInfo.branch ) {
			log.info( `Checking ${ urlInfo.name } to ${ urlInfo.branch }...` );
			git.checkout( repositoryPath, urlInfo.branch );
		}

		// Run `npm install` in new repository.
		log.info( `Running "npm install" in ${ urlInfo.name }...` );
		tools.npmInstall( repositoryPath );

		const linkPath = path.join( ckeditor5Path, 'node_modules', urlInfo.name );

		log.info( `Linking ${ linkPath } to ${ repositoryPath }...` );
		tools.linkDirectories( repositoryPath, linkPath );

		log.info( `Adding ${ urlInfo.name } dependency to CKEditor5 package.json...` );
		tools.updateJSONFile( path.join( ckeditor5Path, 'package.json' ), ( json ) => {
			json.dependencies = json.dependencies || {};
			json.dependencies[ urlInfo.name ] = dependency;
			json.dependencies = tools.sortObject( json.dependencies );

if ( dependencies ) {
		const directories = workspace.getDirectories( workspaceAbsolutePath );

		for ( let dependency in dependencies ) {
			const repositoryURL = dependencies[ dependency ];
			const urlInfo = git.parseRepositoryUrl( repositoryURL );
			const repositoryAbsolutePath = path.join( workspaceAbsolutePath, dependency );

			// Check if repository's directory already exists.
			if ( directories.indexOf( urlInfo.name ) > -1 ) {
				log.info( `Fetching branches from ${ urlInfo.name }...` );
				git.fetchAll( repositoryAbsolutePath );

				log.info( `Checking out ${ urlInfo.name } to ${ urlInfo.branch }...` );
				git.checkout( repositoryAbsolutePath, urlInfo.branch );

				log.info( `Pulling changes to ${ urlInfo.name }...` );
				git.pull( repositoryAbsolutePath, urlInfo.branch );

				if ( runNpmUpdate ) {
					log.info( `Running "npm update" in ${ urlInfo.name }...` );
					tools.npmUpdate( repositoryAbsolutePath );
				}

				try {
					log.info( `Linking ${ repositoryURL }...` );
					tools.linkDirectories( repositoryAbsolutePath, path.join( ckeditor5Path, 'node_modules', dependency ) );
				} catch ( error ) {
					log.error( error );
				}
			} else {