Which @angular/* package(s) are the source of the bug?

forms

Is this a regression?

No

Description

Expose ControlConfig type in public API

export type ControlConfig<T> = [T|FormControlState<T>, (ValidatorFn|(ValidatorFn[]))?, (AsyncValidatorFn|AsyncValidatorFn[])?];

https://github.com/angular/angular/blob/main/packages/forms/src/form_builder.ts#L32

So, ControlConfig type can be consumed within applications:
import { ControlConfig } from '@angular/forms';

Please provide a link to a minimal reproduction of the bug

No response

Please provide the exception or error you saw

No response

Please provide the environment you discovered this bug in (run ng version)

No response

Anything else?

No response