whole_func_string: function set(key, value) {
      return _collectionStrong.def(_validateCollection(this, MAP), key === 0 ? 0 : key, value);
    }
func_code_string: function set(key, value) {
      return _collectionStrong.def(_validateCollection(this, MAP), key === 0 ? 0 : key, value);
    }
func_documentation_string: 23.1.3.9 Map.prototype.set(key, value)