docs: function setCliConfiguration() {
    return yargs
      .usage('usage: $0 [options] <aws-elasticsearch-cluster-endpoint>')
      .option('h', {
        alias: 'host',
        default: HOST || '127.0.0.1',
        demand: false,
        describe: 'Host IP Address',
        type: 'string',
      })
      .option('p', {
        alias: 'port',
        default: PORT || 9200,
        demand: false,
        describe: 'Host Port',
        type: 'number',
      })
      .option('r', {
        alias: 'region',
        default: REGION || 'us-west-2',
        demand: false,
        describe: 'AWS region',
        type: 'string',
      })
      .option('e', {
        alias: 'endpoint',
        default: ENDPOINT,
        demand: true,
        describe: 'AWS Elasticsearch Endpoint',
        type: 'string',
      })
      .option('c', {
        alias: 'profile',
        default: AWS_PROFILE || 'default',
        demand: false,
        describe: 'AWS Credentials Profile',
        type: 'string',
      })
      .option('d', {
        alias: 'debug',
        default: DEBUG || false,
        demand: false,
        describe: 'Provides debug logging',
        type: 'boolean',
      })
      .help()
      .version()
      .strict()
  }