public void setMobileDeviceSubmodelSegment(com.google.api.ads.admanager.axis.v201811.MobileDeviceSubmodelTargeting mobileDeviceSubmodelSegment) {
        this.mobileDeviceSubmodelSegment = mobileDeviceSubmodelSegment;
    }
public void setMobileDeviceSubmodelSegment ( com . google . api . ads . admanager . axis . v201811 . MobileDeviceSubmodelTargeting mobileDeviceSubmodelSegment ) { this . mobileDeviceSubmodelSegment = mobileDeviceSubmodelSegment ; }
Sets the mobileDeviceSubmodelSegment value for this ProductSegmentation.

@param mobileDeviceSubmodelSegment   * The mobile device submodel segmentation. {@link
MobileDeviceSubmodelTargeting#excludedMobileDeviceSubmodels}
must be empty or null.