Component block argument signature not available in consuming app

foo.gts

import Component from '@glimmer/component';
import { hash } from '@ember/helper';
import { Input } from '@ember/component';
import { WithBoundArgs } from '@glint/template';

/*****************************
      ConsumingComponent
*****************************/

class ConsumingComponent extends Component {
  <template>
    <FooComponent as |f|>
      {{!-- No error here --}}
      <f.Input />
    </FooComponent>
  </template>
}

/*****************************
        FooComponent
*****************************/

interface FooSignature {
  Blocks: {default: [{Input: WithBoundArgs<typeof Input, 'type'>}]};
}

export default class FooComponent extends Component<FooSignature> {
  <template>
    {{yield (hash Input=(component Input type="dummy"))}}
  </template>
}

test.hbs

<FooComponent as |f|>
  {{!-- 
  This expression is not callable.
  Type 'never' has no call signatures.
   --}}
  <f.Input /> 
</FooComponent>