code: function isFlattenable$1(value) {
      return isArray$7(value) || isArguments$2(value) || !!(spreadableSymbol && value && value[spreadableSymbol]);
  }
docs: Checks if `value` is a flattenable `arguments` object or array.
  
  @private
  @param {*} value The value to check.
  @returns {boolean} Returns `true` if `value` is flattenable, else `false`.