lib/plugins/aws/logs/index.js/AwsLogs/constructor
class AwsLogs:  constructor(serverless, options) {
    this.serverless = serverless;
    this.options = options || {};
    this.provider = this.serverless.getProvider('aws');

    Object.assign(this, validate);

    this.hooks = {
      'logs:logs': () => BbPromise.bind(this)
        .then(this.extendedValidate)
        .then(this.getLogStreams)
        .then(this.showLogs),
    };
  }