public void setCreatedTimestamp(java.util.Date createdTimestamp) {
        this.createdTimestamp = createdTimestamp;
    }
<p>
The date and time the receipt rule set was created.
</p>

@param createdTimestamp
       The date and time the receipt rule set was created.
aws-java-sdk-ses/src/main/java/com/amazonaws/services/simpleemail/model/ReceiptRuleSetMetadata.java