public ApplyPendingMaintenanceActionRequest withApplyAction(String applyAction) {
        setApplyAction(applyAction);
        return this;
    }
<p>
The pending maintenance action to apply to this resource.
</p>
<p>
Valid values: <code>system-update</code>, <code>db-upgrade</code>
</p>

@param applyAction
       The pending maintenance action to apply to this resource.</p>
       <p>
       Valid values: <code>system-update</code>, <code>db-upgrade</code>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ApplyPendingMaintenanceActionRequest.java