Optional annotation for methods. Allexpressions are now treated as property of the compiled method. In other words, a method may look like: Objectmumblecategories: #(basic eToy)index: 42value: 123.45returnType: Array After the method is compiled we may query it for those properties as in:(Object compiledMethodAt: #mumble)valueOfProperty: #categories; = #(basic eToy)valueOfProperty: #index; = 42valueOfProperty: #value; = 123.45valueOfProperty: #returnType. = Array