public void setDeviceOperatingSystems(java.util.Collection<String> deviceOperatingSystems) {
        if (deviceOperatingSystems == null) {
            this.deviceOperatingSystems = null;
            return;
        }

        this.deviceOperatingSystems = new java.util.ArrayList<String>(deviceOperatingSystems);
    }
<p>
Device operating systems that the rule will match.
</p>

@param deviceOperatingSystems
       Device operating systems that the rule will match.
aws-java-sdk-workmail/src/main/java/com/amazonaws/services/workmail/model/CreateMobileDeviceAccessRuleRequest.java