public GetMobileDeviceAccessEffectRequest withDeviceOperatingSystem(String deviceOperatingSystem) {
        setDeviceOperatingSystem(deviceOperatingSystem);
        return this;
    }
<p>
Device operating system the simulated user will report.
</p>

@param deviceOperatingSystem
       Device operating system the simulated user will report.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workmail/src/main/java/com/amazonaws/services/workmail/model/GetMobileDeviceAccessEffectRequest.java