public Builder mergeDeviceInfo(com.google.cloud.talent.v4beta1.DeviceInfo value) {
      if (deviceInfoBuilder_ == null) {
        if (((bitField0_ & 0x00000010) != 0)
            && deviceInfo_ != null
            && deviceInfo_ != com.google.cloud.talent.v4beta1.DeviceInfo.getDefaultInstance()) {
          getDeviceInfoBuilder().mergeFrom(value);
        } else {
          deviceInfo_ = value;
        }
      } else {
        deviceInfoBuilder_.mergeFrom(value);
      }
      if (deviceInfo_ != null) {
        bitField0_ |= 0x00000010;
        onChanged();
      }
      return this;
    }
<pre>
The type of device used by the job seeker at the time of the call to the
service.
</pre>

<code>.google.cloud.talent.v4beta1.DeviceInfo device_info = 5;</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/RequestMetadata.java