public AwsS3ObjectDetails withETag(String eTag) {
        setETag(eTag);
        return this;
    }
<p>
The opaque identifier assigned by a web server to a specific version of a resource found at a URL.
</p>

@param eTag
       The opaque identifier assigned by a web server to a specific version of a resource found at a URL.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsS3ObjectDetails.java