text: // Copyright 2021 Google LLC
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  
  'use strict';
  
  function main(parent) {
    // [START datacatalog_v1beta1_generated_DataCatalog_ListEntryGroups_async]
    /**
     * TODO(developer): Uncomment these variables before running the sample.
     */
    /**
     *  Required. The name of the location that contains the entry groups, which can be
     *  provided in URL format. Example:
     *  * projects/{project_id}/locations/{location}
     */
    // const parent = 'abc123'
    /**
     *  Optional. The maximum number of items to return. Default is 10. Max limit is 1000.
     *  Throws an invalid argument for `page_size > 1000`.
     */
    // const pageSize = 1234
    /**
     *  Optional. Token that specifies which page is requested. If empty, the first page is
     *  returned.
     */
    // const pageToken = 'abc123'
  
    // Imports the Datacatalog library
    const {DataCatalogClient} = require('@google-cloud/datacatalog').v1beta1;
  
    // Instantiates a client
    const datacatalogClient = new DataCatalogClient();
  
    async function listEntryGroups() {
      // Construct request
      const request = {
        parent,
      };
  
      // Run request
      const iterable = await datacatalogClient.listEntryGroupsAsync(request);
      for await (const response of iterable) {
          console.log(response);
      }
    }
  
    listEntryGroups();
    // [END datacatalog_v1beta1_generated_DataCatalog_ListEntryGroups_async]
  }
  
  process.on('unhandledRejection', err => {
    console.error(err.message);
    process.exitCode = 1;
  });
  main(...process.argv.slice(2));
  