message: fixed TypeScript error
diff: import * as aws from "@pulumi/aws";
  +import {
  + DeleteObjectRequest,
  + DeleteObjectsRequest,
  + ObjectIdentifier
  +} from "aws-sdk/clients/s3";
  // Create an AWS resource (S3 Bucket)
  const trashBucket = new aws.s3.Bucket("trash");
  @@ -13,8 +18,9 @@ const emptyTrash: aws.cloudwatch.EventRuleEventHandler = async (
  const { Contents = [] } = await s3Client
  .listObjects({ Bucket: bucket })
  .promise();
  - const objects = Contents.map(object => {
  - return { Key: object.Key };
  + const objects: ObjectIdentifier[] = Contents.map(object => {
  + const { Key = "" } = object; // object.Key is string || undefined
  + return { Key };
  });
  await s3Client
  