code: function defaultMutations(initialState) {
    var conf = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var infoNS = arguments.length > 2 ? arguments[2] : undefined;
    conf = Object.assign({}, defaultConfig, conf);
    return makeMutationsForAllProps(initialState, null, conf, infoNS);
  }
docs: Creates all mutations for the state of a module.
  Usage:
  commit('module/path/SET_PATH.TO.PROP', newValue)
  Import method:
  mutations {
  ...defaultMutations (initialState)
  }
  
  @param   {object} initialState  the initial state of a module
  @param   {object} conf          user config
  
  @returns {object}                all mutations for the state