## extractAccountReferences() function  
Normalizes Medplum's `meta.account` and `meta.accounts` into a singular array of FHIR references.

**Signature:**

```typescript
export declare function extractAccountReferences(meta: Meta | undefined): Reference[] | undefined;
```

## Parameters  
| Parameter | Type | Description |
| --- | --- | --- |
| meta | Meta \| undefined | The `meta` object of a FHIR resource. |

**Returns:**

Reference[] \| undefined

An array of references, or `undefined` if none.