typed pub sub or something like that

pub_sub.ts

type A = {foo: string};
type B = {bar: number};
type Module = A & B;
type C = {something: () => string}
type Store = Module & C;
class Teste<S = Store> {
  sub<T extends keyof S>(key: T, cb: (value: S[T]) => void): void {
    
  }
  pub<T extends keyof S>(obj: {[T in keyof Partial<S> ]: S[T]} ): void {
    
  }
}
const T = new Teste();
T.pub( { 
  something: () => '',
})
T.sub('something', (value) => {
  const k  = value()
})