[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Shared](https://evolu.dev/docs/api-reference/common/local-first/Shared) › DbWorkerRequest

```ts
type DbWorkerRequest =
  | {
      id: EvoluInstanceId;
      message: { readonly [Message in EvoluInput as Message["type"]]: Message }[
        "Mutate" | "Query" | "Export"];
      type: "ForEvolu";
    }
  | {
      message:
        | {
            owners: NonEmptyReadonlyArray<Owner>;
            type: "CreateSyncMessages";
          }
        | {
            inputMessage: Uint8Array;
            owner: Owner;
            type: "ApplySyncMessage";
          };
      type: "ForSharedWorker";
    };
```

Defined in: [packages/common/src/local-first/Shared.ts:161](https://github.com/evoluhq/evolu/blob/f0109fb501a593010e858e39248dde1200eeb2d7/packages/common/src/local-first/Shared.ts#L161)