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var matchers = [];

Class.defineMutator = function(regex, fn)
{
    matchers.push(regex);
    Class.Mutators['$mutator:' + regex] = function(values)
    {
        return fn.apply(this, values);
    };
    return this;
};

var define = Class.prototype.implement;
Class.implement('define', define);

var implement = Class.prototype.implement = function(key, value, retain)
{
    matchers.each(function(matcher)
    {
        var match = key.match(matcher);
        if(match)
        {
            match[0]    = value;
            key         = '$mutator:' + matcher;
            value       = match;
        }
    });
    return define.call(this, key, value, retain);
}.overloadSetter();