---
url: 'https://adk.nht.io/api/batteries/sandbox/node/functions/derivedRulesFromSrt.md'
---

# Function: derivedRulesFromSrt()

```ts
function derivedRulesFromSrt(input: {
  filesystemDisabled?: boolean;
  mandatoryDeny?: {
    allowGitConfig: boolean;
    dotGitWasDirectory?: boolean;
    entries: readonly string[];
    form: "glob" | "expanded-paths";
    searchDepth: number;
  };
  network?: {
    allowedDomains?: readonly string[];
    deniedDomains?: readonly string[];
    disabled?: boolean;
  };
  platform: "darwin" | "linux";
  read: {
    allowWithinDeny?: readonly string[];
    denyOnly: readonly string[];
  };
  write: {
    allowOnly: readonly string[];
    denyWithinAllow: readonly string[];
  };
}): DerivedRules;
```

Defined in: [src/batteries/sandbox/node/fs\_node.ts:248](https://github.com/NHTIO/ADK/blob/v1.20260824.1/src/src/batteries/sandbox/node/fs_node.ts#L248)

Construct a derived snapshot from the shapes returned by SRT.

## Parameters

| Parameter                                 | Type                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Description                                                                         |
| ----------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- |
| `input`                                   | { `filesystemDisabled?`: `boolean`; `mandatoryDeny?`: { `allowGitConfig`: `boolean`; `dotGitWasDirectory?`: `boolean`; `entries`: readonly `string`\[]; `form`: `"glob"` | `"expanded-paths"`; `searchDepth`: `number`; }; `network?`: { `allowedDomains?`: readonly `string`\[]; `deniedDomains?`: readonly `string`\[]; `disabled?`: `boolean`; }; `platform`: `"darwin"` | `"linux"`; `read`: { `allowWithinDeny?`: readonly `string`\[]; `denyOnly`: readonly `string`\[]; }; `write`: { `allowOnly`: readonly `string`\[]; `denyWithinAllow`: readonly `string`\[]; }; } | -                                                                                   |
| `input.filesystemDisabled?`               | `boolean`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | -                                                                                   |
| `input.mandatoryDeny?`                    | { `allowGitConfig`: `boolean`; `dotGitWasDirectory?`: `boolean`; `entries`: readonly `string`\[]; `form`: `"glob"` | `"expanded-paths"`; `searchDepth`: `number`; }                                                                                                                                                                                                                                                                                                                                                                                                              | -                                                                                   |
| `input.mandatoryDeny.allowGitConfig`      | `boolean`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | -                                                                                   |
| `input.mandatoryDeny.dotGitWasDirectory?` | `boolean`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | -                                                                                   |
| `input.mandatoryDeny.entries`             | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |
| `input.mandatoryDeny.form`                | `"glob"` | `"expanded-paths"`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | -                                                                                   |
| `input.mandatoryDeny.searchDepth`         | `number`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | -                                                                                   |
| `input.network?`                          | { `allowedDomains?`: readonly `string`\[]; `deniedDomains?`: readonly `string`\[]; `disabled?`: `boolean`; }                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | -                                                                                   |
| `input.network.allowedDomains?`           | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |
| `input.network.deniedDomains?`            | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |
| `input.network.disabled?`                 | `boolean`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | OURS, not upstream's: `true` only when WE constructed the session in disabled mode. |
| `input.platform`                          | `"darwin"` | `"linux"`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | -                                                                                   |
| `input.read`                              | { `allowWithinDeny?`: readonly `string`\[]; `denyOnly`: readonly `string`\[]; }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | -                                                                                   |
| `input.read.allowWithinDeny?`             | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |
| `input.read.denyOnly`                     | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |
| `input.write`                             | { `allowOnly`: readonly `string`\[]; `denyWithinAllow`: readonly `string`\[]; }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | -                                                                                   |
| `input.write.allowOnly`                   | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |
| `input.write.denyWithinAllow`             | readonly `string`\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | -                                                                                   |

## Returns

[`DerivedRules`](../../../../@nhtio/adk/batteries/sandbox/interfaces/DerivedRules.md)