code: function (target, key) {
  /*Line 84 - 'AtomBindingHelper.js' */        if (target == null)
  /*Line 85 - 'AtomBindingHelper.js' */            return null;
  /*Line 86 - 'AtomBindingHelper.js' */        var handlers = target._$_handlers;
  /*Line 87 - 'AtomBindingHelper.js' */        if (!handlers) {
  /*Line 88 - 'AtomBindingHelper.js' */            handlers = {};
  /*Line 89 - 'AtomBindingHelper.js' */            target._$_handlers = handlers;
  /*Line 90 - 'AtomBindingHelper.js' */        }
  /*Line 91 - 'AtomBindingHelper.js' */        var handlersForKey = handlers[key];
  /*Line 92 - 'AtomBindingHelper.js' */        if (handlersForKey == undefined || handlersForKey == null) {
  /*Line 93 - 'AtomBindingHelper.js' */            handlersForKey = [];
  /*Line 94 - 'AtomBindingHelper.js' */            handlers[key] = handlersForKey;
  /*Line 95 - 'AtomBindingHelper.js' */        }
  /*Line 96 - 'AtomBindingHelper.js' */        return handlersForKey;
  /*Line 97 - 'AtomBindingHelper.js' */    }
docs: /*Line 83 - 'AtomBindingHelper.js'