Enum for the source of an edit. This enum is not frozen; new values may be added in the future.

| Enums ||
|---|---|
| `SOURCE_UNSPECIFIED` | Source attribution is unspecified. |
| `SOURCE_API` | The edit originated from an API client. |
| `SOURCE_UI` | The edit originated from a Google Business Profile merchant UI surface (such as Google Search or Google Maps). |