ZeroDropdown<T>.multiple  constructor 
      
      ZeroDropdown<T>.multiple ({ 
    
    
- Key? key,
 - required dynamic onChanged(
- dynamic
 
 - required List<
T> items, - String? labelText,
 - String? hintText,
 - String? helperText,
 - String? errorText,
 - TextStyle? labelStyle,
 - TextStyle? hintStyle,
 - TextStyle? helperStyle,
 - TextStyle? errorStyle,
 - Widget? prefixIcon,
 - Widget? suffixIcon,
 - List<
T> selectedItems = const [], - double? itemHeight,
 - double? dropdownWidth,
 - bool? alignedDropdown,
 - T? value,
 - Widget selectedMenuItemBuilder(
- T
 
 - InputDecorationType inputDecorationType = InputDecorationType.outline,
 - MultipleItemsVariant? multipleItemsVariant,
 - ZeroTextfieldSize textfieldSize = ZeroTextfieldSize.small,
 - SelectedItemsStyle selectedItemsStyle = SelectedItemsStyle.text,
 - dynamic onMenuStateChange(
- bool isOpen
 
 
Implementation
factory ZeroDropdown.multiple(
        {Key? key,
        required Function(dynamic) onChanged,
        required List<T> items,
        String? labelText,
        String? hintText,
        String? helperText,
        String? errorText,
        TextStyle? labelStyle,
        TextStyle? hintStyle,
        TextStyle? helperStyle,
        TextStyle? errorStyle,
        Widget? prefixIcon,
        Widget? suffixIcon,
        List<T> selectedItems = const [],
        double? itemHeight,
        double? dropdownWidth,
        bool? alignedDropdown,
        T? value,
        Widget Function(T)? menuItemBuilder,
        Widget Function(T)? selectedMenuItemBuilder,
        InputDecorationType inputDecorationType = InputDecorationType.outline,
        MultipleItemsVariant? multipleItemsVariant,
        ZeroTextfieldSize textfieldSize = ZeroTextfieldSize.small,
        SelectedItemsStyle selectedItemsStyle = SelectedItemsStyle.text,
        Function(bool isOpen)? onMenuStateChange}) =>
    ZeroDropdown._(
      key: key,
      inputDecorationType: inputDecorationType,
      onChanged: onChanged,
      items: items,
      labelText: labelText,
      labelStyle: labelStyle,
      hintText: hintText,
      helperText: helperText,
      helperStyle: helperStyle,
      errorText: errorText,
      errorStyle: errorStyle,
      icon: suffixIcon,
      itemHeight: itemHeight ?? textfieldSize.height,
      dropdownWidth: dropdownWidth,
      alignedDropdown: alignedDropdown,
      selectedItems: selectedItems,
      textfieldSize: textfieldSize,
      enableMultipleItems: true,
      menuItemBuilder: menuItemBuilder,
      selectedMenuItemBuilder: selectedMenuItemBuilder,
      multipleItemsVariant:
          multipleItemsVariant ?? MultipleItemsVariant.plain,
      selectedItemsStyle: selectedItemsStyle,
      onMenuStateChange: onMenuStateChange,
    );