"export 'NbAutocompleteModule' was not found in '@nebular/theme'

I am trying to add auto-complete feature in my application.
in module.ts i am importing:-
```
import {
NbUserModule,NbTabsetModule, NbAutocompleteModule,
} from '@nebular/theme';

imports: [
NbUserModule,
NbTabsetModule,
NbAutocompleteModule
]
But when i am trying to compile it is throwing error:-
ERROR in src/app/pages/vehicles/vehicles.module.ts(10,48): error TS2305: Module '"../../../../node_modules/@nebular/theme"' has no exported member 'NbAutocompleteModule'.

```

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### Issue description

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**Expected behavior:**

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