code: public S3Location withUserMetadata(java.util.Map<String, String> userMetadata) {
          setUserMetadata(userMetadata);
          return this;
      }
docs: <p>
  A map of metadata to store with the job results in Amazon S3.
  </p>
  
  @param userMetadata
  A map of metadata to store with the job results in Amazon S3.
  @return Returns a reference to this object so that method calls can be chained together.