public void setLastModifiedAt(java.util.Date lastModifiedAt) {
        this.lastModifiedAt = lastModifiedAt;
    }
<p>
The date and time that the scraper was last modified.
</p>

@param lastModifiedAt
       The date and time that the scraper was last modified.
aws-java-sdk-prometheus/src/main/java/com/amazonaws/services/prometheus/model/ScraperDescription.java