class PrivateMember {
  private priv: string = 'priv';
}
class ChildPrivateMember extends PrivateMember {
  private priv: string = 'priv';
}
// Class 'ChildPrivateMember' incorrectly extends base class 'PrivateMember'. Types have separate declarations of a private property 'priv'.
class PrivateField {
  #priv: string = 'priv';
  sayPriv() {
    console.log(this.#priv);
  }
}
class ChildPrivateField extends PrivateField {
  #priv: string = 'priv';
}