public PhoneNumberAssociation withAssociatedTimestamp(java.util.Date associatedTimestamp) {
        setAssociatedTimestamp(associatedTimestamp);
        return this;
    }
<p>
The timestamp of the phone number association, in ISO 8601 format.
</p>

@param associatedTimestamp
       The timestamp of the phone number association, in ISO 8601 format.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chimesdkvoice/src/main/java/com/amazonaws/services/chimesdkvoice/model/PhoneNumberAssociation.java