@Override
  @Nullable
  protected LocalQuickFix buildFix(Object... infos) {
    final PsiReferenceExpression expression = (PsiReferenceExpression)infos[0];
    return new CollectionsFieldAccessReplaceableByMethodCallFix(expression.getReferenceName());
  }
@Override
  @Nullable
  protected LocalQuickFix buildFix(Object... infos)