private PsiMethod findSpecificMethod(@Nullable PsiType qualifierType) {
    if (myTargetMethod == null || qualifierType == null || !PsiUtil.canBeOverridden(myTargetMethod)) return myTargetMethod;
    PsiExpression qualifierExpression = null;
    if (myContext instanceof PsiMethodCallExpression) {
      qualifierExpression = ((PsiMethodCallExpression)myContext).getMethodExpression().getQualifierExpression();
    }
    else if (myContext instanceof PsiMethodReferenceExpression) {
      qualifierExpression = ((PsiMethodReferenceExpression)myContext).getQualifierExpression();
    }
    if (qualifierExpression instanceof PsiSuperExpression) return myTargetMethod; // non-virtual call
    return MethodUtils.findSpecificMethod(myTargetMethod, qualifierType);
  }
private PsiMethod findSpecificMethod(@Nullable PsiType qualifierType)