Encapsulates an Image.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/resources/media_file.proto)

| Fields ||
|---|---|
| ## `data` | `bytes` Immutable. Raw image data. |
| ## `full_size_image_url` | `string` Output only. The url to the full size version of the image. |
| ## `preview_size_image_url` | `string` Output only. The url to the preview size version of the image. |