var classic,
  __slice = [].slice;

module.exports = classic = {};

classic.implement = function() {
  var classProto, classReference, desc, member, mixin, mixins, _i, _j, _len;
  mixins = 2 <= arguments.length ? __slice.call(arguments, 0, _i = arguments.length - 1) : (_i = 0, []), classReference = arguments[_i++];
  for (_j = 0, _len = mixins.length; _j < _len; _j++) {
    mixin = mixins[_j];
    classProto = classReference.prototype;
    for (member in mixin.prototype) {
      if (!Object.getOwnPropertyDescriptor(classProto, member)) {
        desc = Object.getOwnPropertyDescriptor(mixin.prototype, member);
        Object.defineProperty(classProto, member, desc);
      }
    }
  }
  return classReference;
};

classic.mix = function() {
  var classProto, classReference, desc, member, mixin, mixins, _i, _j, _len;
  mixins = 2 <= arguments.length ? __slice.call(arguments, 0, _i = arguments.length - 1) : (_i = 0, []), classReference = arguments[_i++];
  classProto = classReference.prototype;
  classReference.__mixinCloners = [];
  classReference.__applyClonersFor = function(instance, args) {
    var cloner, _j, _len, _ref;
    if (args == null) {
      args = null;
    }
    _ref = classReference.__mixinCloners;
    for (_j = 0, _len = _ref.length; _j < _len; _j++) {
      cloner = _ref[_j];
      cloner.apply(instance, args);
    }
  };
  classReference.__mixinInitializers = [];
  classReference.__initMixinsFor = function(instance, args) {
    var initializer, _j, _len, _ref;
    if (args == null) {
      args = null;
    }
    _ref = classReference.__mixinInitializers;
    for (_j = 0, _len = _ref.length; _j < _len; _j++) {
      initializer = _ref[_j];
      initializer.apply(instance, args);
    }
  };
  classReference.__mixinQuitters = [];
  classReference.__applyQuittersFor = function(instance, args) {
    var quitter, _j, _len, _ref;
    if (args == null) {
      args = null;
    }
    _ref = classReference.__mixinQuitters;
    for (_j = 0, _len = _ref.length; _j < _len; _j++) {
      quitter = _ref[_j];
      quitter.apply(instance, args);
    }
  };
  for (_j = 0, _len = mixins.length; _j < _len; _j++) {
    mixin = mixins[_j];
    if (!(mixin.constructor instanceof Function)) {
      throw Error("Mixin should be a function");
    }
    for (member in mixin.prototype) {
      if (member.substr(0, 11) === '__initMixin') {
        classReference.__mixinInitializers.push(mixin.prototype[member]);
        continue;
      } else if (member.substr(0, 11) === '__clonerFor') {
        classReference.__mixinCloners.push(mixin.prototype[member]);
        continue;
      } else if (member.substr(0, 12) === '__quitterFor') {
        classReference.__mixinQuitters.push(mixin.prototype[member]);
        continue;
      }
      if (!Object.getOwnPropertyDescriptor(classProto, member)) {
        desc = Object.getOwnPropertyDescriptor(mixin.prototype, member);
        Object.defineProperty(classProto, member, desc);
      }
    }
  }
  return classReference;
};

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