Function: assertValidSyncDeviceId()
function assertValidSyncDeviceId(deviceId: unknown): asserts deviceId is string;
Defined in: electron/services/sync/providerKeyValidation.ts:171
Validates a persisted cloud sync device identifier.
Parameters
deviceId
unknown
Returns
asserts deviceId is string
Remarks
Keeps historical error messages stable so existing tests and telemetry comparisons do not regress.