/// Flex value for the messeage container defaults to 1
/// Made so that the message container takes as much as possible
/// if no height or width is passed explicity
final int messageContainerFlex;
/// Height for the Dash chat Widget
final double height;
// Width for the Dash chat Widget
final double width;
/// List of messages to display in the chat container
/// Takes a [List] of [ChatMessage]
final List messages;
/// If provided, this text editing controller will be used for
/// the text input.
final TextEditingController textController;
/// If provided, this focus node will be used for the text input.
final FocusNode focusNode;
/// Use to change the direction of the text ltr is used for
/// launguages that start from left like English &
/// rtl is used for languages like Arabic
///
/// Defaults to `TextDirection.ltr`
final TextDirection inputTextDirection;
/// If provided will stop using the default controller
/// i.e [TextEditingController] and will use this to update the
/// text input field.
final String text;
/// If the text parameter is passed then onTextChange must also
/// be passed.
final Function(String) onTextChange;
/// Used to provide input decoration to the text as default only
/// to the input placeholder for the chat input
/// "Add Message here...".
final InputDecoration inputDecoration;
///Configures how the platform keyboard will select an uppercase or lowercase keyboard.
///Only supports text keyboards, other keyboard types will ignore this configuration. Capitalization is locale-aware.
///Defaults to [TextCapitalization.none]. Must not be null.
final TextCapitalization textCapitalization;
/// Usually new message added by the user gets [Uuid] String
/// Can be override by proving this parameter
final String Function() messageIdGenerator;
/// The current user object [ChatUser].
final ChatUser user;
/// To function where you can make api calls and play
/// with the [ChatMessage] obeject before make calls.
final Function(ChatMessage) onSend;
/// Should the send button be always active it defaults to false
/// Usually it will only become active if some text is entered.
final bool alwaysShowSend;
/// [DateFormat] object for formatting date to show in [MessageListView]
/// defaults to `HH:mm:ss`.
final DateFormat dateFormat;
/// [DateFormat] object for formatting time to show in [MessageContainer]
/// defaults to `yyyy-MM-dd`.
final DateFormat timeFormat;
/// Should the user avatar be shown defaults to false and will not
/// show the user avatar.
final bool showUserAvatar;
/// avatarBuilder will override the the default avatar which uses
/// [CircleAvatar].
final Widget Function(ChatUser) avatarBuilder;
/// Should the avatar be shown for every message defaulst to false.
final bool showAvatarForEveryMessage;
/// [onPressAvatar] function takes a function with this structure
/// [Function(ChatUser)] will trigger when the avatar
/// is tapped on
final Function(ChatUser) onPressAvatar;
/// [onLongPressAvatar] function takea a function with this structure
/// [Function(ChatUser)] will trigger when the avatar
/// is long pressed
final Function(ChatUser) onLongPressAvatar;
/// [onLongPressMessage] function takea a function with this structure
/// [Function(ChatMessage)] will trigger when the message
/// is long pressed.
final Function(ChatMessage) onLongPressMessage;
/// Should the messages be shown in reversed order.
final bool inverted;
/// messageBuilder will override the the default chat container which uses
/// and you will need to build complete message Widget it will not accept
/// and include any other builder functions.
final Widget Function(ChatMessage) messageBuilder;
/// messageTextBuilder will override the the default message text.
final Widget Function(String) messageTextBuilder;
/// messageImageBuilder will override the the default Image.
final Widget Function(String url) messageImageBuilder;
/// messageTimeBuilder will override the the default text.
final Widget Function(String url) messageTimeBuilder;
/// dateBuilder will override the the default time text.
final Widget Function(String) dateBuilder;
/// A Widget that will be shown below the [MessageListView] like you can
/// show a "tying..." at the end.
final Widget Function() chatFooterBuilder;
/// Main input length of the input text box defaulst to no limit.
final int maxInputLength;
/// Used to parse text to make it linkified text uses
/// [flutter_parsed_text](https://pub.dev/packages/flutter_parsed_text)
/// takes a list of [MatchText] in order to parse Email, phone, links
/// and can also add custom pattersn using regex
final List
/// Provides a custom style to the message container
/// takes [BoxDecoration]
final BoxDecoration messageContainerDecoration;
/// [List] of [Widget] to show before the [TextField].
final List
/// [List] of [Widget] to show after the [TextField].will remove the
/// send button and will have to implement that yourself.
final List
/// sendButtonBuilder will override the the default [IconButton].
final Widget Function(Function) sendButtonBuilder;
/// Style for the [TextField].
final TextStyle inputTextStyle;
/// [TextField] container style.
final BoxDecoration inputContainerStyle;
/// Max length of the input lines default to 1.
final int inputMaxLines;
/// Should the input cursor be shown defaults to true.
final bool showInputCursor;
/// Width of the text input defaults to 2.0.
final double inputCursorWidth;
/// Color of the input cursor defaults to theme.
final Color inputCursorColor;
/// ScrollController for the [MessageListView] will use the default
/// scrollcontroller in the Widget.
final ScrollController scrollController;
/// A Widget that will be shown below the [ChatInputToolbar] like you can
/// show a list of buttons like file image just like in Slack app.
final Widget Function() inputFooterBuilder;
/// Padding for the [MessageListView].
final EdgeInsetsGeometry messageContainerPadding;
/// Callback method when the quickReply was tapped on
/// will pass [Reply] as a paramter to function.
final Function(Reply) onQuickReply;
/// Container style for the QuickReply Container [BoxDecoration].
final BoxDecoration quickReplyStyle;
/// [TextStyle] for QuickReply textstyle.
final TextStyle quickReplyTextStyle;
/// quickReplyBuilder will override the the default QuickReply Widget.
final Widget Function(Reply) quickReplyBuilder;
/// Should the [trailling] Widgets be shown before the send button
/// As default it will be shown before the send button.
final bool showTraillingBeforeSend;
/// Should the scroll to bottom widget be shown
/// default to true.
final bool scrollToBottom;
/// Overrides the default [scrollToBottomWidget] with a custom widget
final Widget Function() scrollToBottomWidget;
/// Override the default behaviour of the onScrollToBottom Widget
final Function onScrollToBottomPress;
/// Should the LoadEarlier Floating widget be shown or use
/// load as you scroll scheme whcih will call the [onLoadEarlier]
/// function as default it is set to this scheme which is false.
/// false - load as you scroll scheme
/// true - shows a loadEarlier Widget
final bool shouldShowLoadEarlier;
/// Override the default behaviour of the onScrollToBottom Widget
final Widget Function() showLoadEarlierWidget;
/// Override the default behaviour of the onLoadEarleir Widget
/// or used as a callback when the listView reaches the top
final Function onLoadEarlier;
/// Padding for the default input toolbar
/// by default it padding is set 0.0
final EdgeInsets inputToolbarPadding;
/// Margin for the default input toolbar
/// by default it padding is set 0.0
final EdgeInsets inputToolbarMargin;