TypeError for FromGroup.removeControl

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

forms

Is this a regression?

No

Description

FormControl.removeControl shows type error when TypeScript strictNullChecks is enabled.

const group = new FormGroup({"a": new FormControl("test")})
group.removeControl("a")

Please provide a link to a minimal reproduction of the bug

https://stackblitz.com/edit/angular-hy5qkn?file=tsconfig.json,src%2Fapp%2Fapp.component.ts

Please provide the exception or error you saw

Error in src/app/app.component.ts (14:5)
No overload matches this call.
Overload 1 of 2, '(this: FormGroup<{ [key: string]: AbstractControl<any, any>; }>, name: string, options?: { emitEvent?: boolean | undefined; } | undefined): void', gave the following error.
The 'this' context of type 'FormGroup<{ a: FormControl<string | null>; }>' is not assignable to method's 'this' of type 'FormGroup<{ [key: string]: AbstractControl<any, any>; }>'.
Property '"a"' is missing in type '{ [key: string]: AbstractControl<any, any>; }' but required in type '{ a: FormControl<string | null>; }'.
Overload 2 of 2, '(name: never, options?: { emitEvent?: boolean | undefined; } | undefined): void', gave the following error.
Argument of type 'string' is not assignable to parameter of type 'never'.

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

Angular CLI: 14.2.1
Node: 16.13.2
Package Manager: npm 8.5.5 
OS: win32 x64

Angular: 14.2.0
... animations, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router     

Package                         Version
---------------------------------------------------------  
@angular-devkit/architect       0.1402.1
@angular-devkit/build-angular   14.2.1
@angular-devkit/core            14.2.1
@angular-devkit/schematics      14.2.1
@angular/cli                    14.2.1
@schematics/angular             14.2.1
rxjs                            7.5.6
typescript                      4.8.2

Anything else?

No response

[JoostK]

In that case I think you’re looking for FormRecord (new since typed forms) instead of FormGroup.

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