Extract method with imported generic types results in error #19328

// In someTypes.ts file
export type Dictionary<T> = {
    [key: string]: T;
  };

export type A = string | string[];

export type B = Dictionary<A>;

// In someOtherFile.ts
import { A, B, Dictionary} from './someTypes';

function doThing(): void {
    const aBunchOfA: Dictionary<B> = {};
    
    aBunchOfA['key'] = { a: 'thing' };
}

// In someOtherFile.ts
import { A, B, Dictionary} from './someTypes';

function doThing(): void {
    const aBunchOfA: Dictionary<B> = {};
    
    newFunction(aBunchOfA);
}
function newFunction(aBunchOfA: Dictionary<B>) {
    aBunchOfA['key'] = { a: 'thing' };
}

// In someOtherFile.ts
import { A, B, Dictionary} from './someTypes';

function doThing(): void {
    const aBunchOfA: Dictionary<B> = {};
    
    newFunction(aBunchOfA);
}
function newFunction(aBunchOfA: { [key: string]: Dictionary; }) { //<-- Dictionary underlined in red
    aBunchOfA['key'] = { a: 'thing' };
}