The surface of a plannable product. LINT: LEGACY_NAMES

| Enums ||
|---|---|
| `PLANNABLE_SURFACE_UNSPECIFIED` | Not specified. |
| `PLANNABLE_SURFACE_IN_FEED` | In-feed. |
| `PLANNABLE_SURFACE_IN_STREAM_BUMPER` | In-stream bumper. |
| `PLANNABLE_SURFACE_IN_STREAM_NON_SKIPPABLE` | In-stream non-skippable. |
| `PLANNABLE_SURFACE_IN_STREAM_SKIPPABLE` | In-stream skippable. |
| `PLANNABLE_SURFACE_SHORTS` | Shorts. |
| `PLANNABLE_SURFACE_DISCOVER_FEED` | Discover feed. |
| `PLANNABLE_SURFACE_GMAIL` | Gmail. |
| `PLANNABLE_SURFACE_GOOGLE_DISPLAY_NETWORK` | Google Display Network. |
| `PLANNABLE_SURFACE_IN_STREAM_NON_SKIPPABLE_THIRTY_SECONDS` | In-stream non-skippable (30 seconds). |