code: public void setDeviceManufacturers(com.google.api.ads.admanager.axis.v201808.Technology[] deviceManufacturers) {
          this.deviceManufacturers = deviceManufacturers;
      }
docs: Sets the deviceManufacturers value for this DeviceManufacturerTargeting.
  
  @param deviceManufacturers   * Device manufacturers that are being targeted or excluded by
  the
  {@link LineItem}.