MagnusDidNotBetray

class A {
  static text: string = 'A class';

  static getA() {
    return this.text; // что-то типа static.text
  }
}

class B extends A {
  static text: string = 'B class';
}

console.log(A.getA()); // A class
console.log(B.getA()); // B class

class A {
  public static b: number = 123;
}
function f<T extends {b: number, new (...args: any[]): InstanceType<T>}>(cls: T) {
  console.log(cls.b);
}