I thought the comments aboout Typescript were misguided (not familiar enough with Angular to judge those parts). The whole point of using the any type in Types

I thought the comments aboout Typescript were misguided (not familiar enough with Angular to judge those parts). The whole point of using the any type in Typescript is to dodge the typechecker. By declaring the parameter in the example to be of type any, you are declaring that you want this behavior.