> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ShadowedBy

What egress uses instead of this installation for a request to its account: an earlier installation on the same account, or a token pinned to the account. Null when this installation answers.

## Example Usage

```typescript theme={null}
import { ShadowedBy } from "@openrouter/sdk/models";

let value: ShadowedBy = "installation";

// Open enum: unrecognized values are captured as Unrecognized<string>
```

## Values

```typescript theme={null}
"installation" | "token" | Unrecognized<string>
```