public void setCreationTimeBefore(java.util.Date creationTimeBefore) {
        this.creationTimeBefore = creationTimeBefore;
    }
<p>
A filter that returns only images created on or before the specified time.
</p>

@param creationTimeBefore
       A filter that returns only images created on or before the specified time.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/ListImagesRequest.java