fun myMethod(thing: T){}

class MyClass : IMyInterface{}

interface IMyInterface <T>{
fun myMethod(thing: T){}
}

class MyClass: IMyInterface<MyClass>{
  fun myMethod(thing: MyClass){} // <<<-- the type is set because I explicitly set it above
    }

interface IMyInterface{
fun myMethod(thing: T){}
}

class MyClass: IMyInterface{
  fun myMethod(thing: MyClass){} // <<<-- the type is set because I explicitly set it above
    }