---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/dev-tools/interfaces/DevWorkspaceToken.md
description: >-
  Opaque provenance token for one workspace value. Tokens are runtime-minted and
  unique per execution and persistence point, so a short-circuit cannot restore
  a stale or foreign workspace.
---

# Interface: DevWorkspaceToken

Defined in: [src/batteries/dev\_tools/types.ts:188](https://github.com/NHTIO/ADK/blob/master/src/src/batteries/dev_tools/types.ts#L188)

Opaque provenance token for one workspace value. Tokens are runtime-minted and unique per
execution and persistence point, so a short-circuit cannot restore a stale or foreign workspace.

## Properties

| Property                                                                | Modifier   | Type   | Description                                                                                                                                                                            | Defined in                                                                                                                 |
| ----------------------------------------------------------------------- | ---------- | ------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- |
|  `[devWorkspaceTokenBrand]` | `readonly` | `true` | Brand proving this token was minted by the runtime. Middleware cannot construct a valid token; it must copy the token unchanged when short-circuiting within the same execution epoch. | [src/batteries/dev\_tools/types.ts:193](https://github.com/NHTIO/ADK/blob/master/src/src/batteries/dev_tools/types.ts#L193) |