public void setValidTill(java.util.Date validTill) {
        this.validTill = validTill;
    }
<p>
The date-time after which the certificate is no longer valid.
</p>
<p>
Example: <code>2024-07-31T17:57:09Z</code>
</p>

@param validTill
       The date-time after which the certificate is no longer valid.</p>
       <p>
       Example: <code>2024-07-31T17:57:09Z</code>
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/Certificate.java