text: Documents = new Mongo.Collection("documents");
  
  Documents.allow({
    insert: function() {
      return false;
    },
    update: function() {
      return false;
    },
    remove: function() {
      return false;
    }
  });
  
  Documents.deny({
    insert: function() {
      return true;
    },
    update: function() {
      return true;
    },
    remove: function() {
      return true;
    }
  });
  