public java.util.Date getValidFrom() {
        return this.validFrom;
    }
<p>
The starting date-time from which the certificate is valid.
</p>
<p>
Example: <code>2019-07-31T17:57:09Z</code>
</p>

@return The starting date-time from which the certificate is valid.</p>
        <p>
        Example: <code>2019-07-31T17:57:09Z</code>
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/Certificate.java