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Show All 27 Lines	register: function(cls, visitor) {
this._visitors[cls] = visitor;		this._visitors[cls] = visitor;
},		},
visit: function(view, children) {		visit: function(view, children) {
var visitor = this._visitors[cls] \|\| this._default;		var visitor = this._visitors[cls] \|\| this._default;
return visitor(view, children);		return visitor(view, children);
}		}
}		}
});		});