text: import environmentConfigs from './configs/environmentConfigs';
  import fileConfigs from './configs/fileConfigs';
  import configProvider from './configProvider';
  
  /**
   * initialize AWS.config using regionProvider
   *
   * @param {Object} AWS AWS SDK module
   * @param {Object} opts options
   * @param {string} opts.profile profile name
   * @param {boolean} opts.noReflectCredentials opts.profile doesnot reflect credentials
   */
  export default function loader(AWS, opts = {}) {
    AWS.util.update(AWS.Config.prototype.keys, configProvider(AWS, [
      fileConfigs,
      environmentConfigs
    ], opts));
    if (!opts.noReflectCredentials) {
      AWS.util.update(AWS.Config.prototype.keys, {
        credentials: () => {
          let credentials = null;
          new AWS.CredentialProviderChain([
            () => new AWS.EnvironmentCredentials('AWS'),
            () => new AWS.EnvironmentCredentials('AMAZON'),
            () => new AWS.SharedIniFileCredentials({profile: opts.profile})
          ]).resolve((err, creds) => {
            if (!err) {
              credentials = creds;
            }
          });
          return credentials;
        }
      });
    }
    AWS.config = new AWS.Config();
  }
  