AI-generated Key Takeaways
- 
          InventoryService has a dependency on AdUnit. 
- 
          SmartSizeMode represents different modes for ad sizes. 
- 
          There are four types of SmartSizeMode: UNKNOWN, NONE (Fixed size), SMART_BANNER (Fixed height, range width), and DYNAMIC_SIZE (Range height and width). 
                  Service
               
               
                  InventoryService
               
            
                  Dependencies
               
               
                  AdUnit
                  
            ▼
                  SmartSizeMode
               Represents smart size modes.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. | 
| NONE | Fixed size mode (default). | 
| SMART_BANNER | The height is fixed for the request, the width is a range. | 
| DYNAMIC_SIZE | Height and width are ranges. |