@Override
  public boolean isEquivalentTo(PsiElement another) {
    if (another == this) return true;
    if (!(another instanceof GrAccessorMethod)) return false;

    if (!((GrAccessorMethod)another).getName().equals(getName())) return false;
    return getManager().areElementsEquivalent(myProperty, ((GrAccessorMethod)another).getProperty());
  }
@Override
  public boolean isEquivalentTo(PsiElement another)