@Override
    public List<Equations> getEquations(MemberDescriptor memberDescriptor) {
      assert memberDescriptor instanceof Member;
      Member method = (Member)memberDescriptor;
      List<Equations> equations = myEquationCache.get(method);
      return equations == null ? loadEquations(method) : equations;
    }
@Override
    public List<Equations> getEquations(MemberDescriptor memberDescriptor)