import { FormatType } from "../../utils/RichTextFormatting";
import { CometChatTextFormatter } from "../../formatters/CometChatFormatters/CometChatTextFormatter";
/**
 * Configuration for the useRichTextComposer hook
 */
export interface RichTextComposerConfig {
    enableRichTextEditor: boolean;
    hideRichTextFormattingOptions: boolean;
    showToolbarOnSelection: boolean;
    getCurrentDocument: () => Document;
    getCurrentWindow: () => Window;
    getCurrentInput: () => Element | null | undefined;
    composerContainerClass: string;
    errorHandler: (error: unknown, context: string) => void;
    setTextFormatters: React.Dispatch<React.SetStateAction<CometChatTextFormatter[]>>;
}
export interface LinkPopoverData {
    linkText: string;
    linkUrl: string;
    linkElement: HTMLAnchorElement | null;
    position: {
        top: number;
        left: number;
    };
}
export interface LinkEditData {
    url: string;
    text: string;
}
/**
 * State for undoing markdown conversions
 */
export interface MarkdownUndoState {
    originalHtml: string;
    cursorPosition: number;
    timestamp: number;
}
/**
 * Shared hook that encapsulates all rich text formatting logic
 * used by both CometChatMessageComposer and CometChatCompactMessageComposer.
 */
export declare function useRichTextComposer(config: RichTextComposerConfig): {
    isFixedToolbarVisible: boolean;
    setIsFixedToolbarVisible: import("react").Dispatch<import("react").SetStateAction<boolean>>;
    isFloatingToolbarVisible: boolean;
    setIsFloatingToolbarVisible: import("react").Dispatch<import("react").SetStateAction<boolean>>;
    floatingToolbarPosition: {
        top: number;
        left: number;
    } | null;
    activeFormats: FormatType[];
    setActiveFormats: import("react").Dispatch<import("react").SetStateAction<FormatType[]>>;
    showLinkInput: boolean;
    showLinkPopover: boolean;
    linkPopoverData: LinkPopoverData | null;
    isLinkEditMode: boolean;
    linkEditData: LinkEditData | null;
    linkDialogSelectedText: string;
    linkDialogSelectedTextRef: import("react").MutableRefObject<string>;
    richTextFormatter: {
        getSelection: () => Selection | null;
        saveSelection: () => Range | null;
        restoreSelection: (range: Range | null) => void;
        hasSelection: () => boolean;
        getSelectedText: (savedRange?: Range | null) => string;
        isFormatted: (formatType: FormatType, containerElement: HTMLElement) => boolean;
        isFormattingModeActive: () => boolean;
        getActiveFormats: (containerElement: HTMLElement) => FormatType[];
        getActiveFormattingModes: () => FormatType[];
        findFormattingAncestor: () => HTMLElement | null;
        applyFormat: () => void;
        removeFormat: () => void;
        toggleFormat: (formatType: FormatType, containerElement: HTMLElement) => void;
        toggleFormattingMode: () => void;
        toggleBold: (containerElement: HTMLElement) => void;
        toggleItalic: (containerElement: HTMLElement) => void;
        toggleUnderline: (containerElement: HTMLElement) => void;
        toggleStrikethrough: (containerElement: HTMLElement) => void;
        insertLink: (url: string, displayText: string | undefined, containerElement: HTMLElement) => void;
        updateLink: (url: string, displayText: string | undefined, containerElement: HTMLElement) => void;
        removeLink: (containerElement: HTMLElement) => void;
        isInsideLink: (containerElement: HTMLElement) => boolean;
        toggleOrderedList: (containerElement: HTMLElement) => void;
        toggleUnorderedList: (containerElement: HTMLElement) => void;
        fixOrderedListContinuation: (containerElement: HTMLElement) => void;
        isInsideList: (listType: "orderedList" | "unorderedList", containerElement: HTMLElement) => HTMLElement | null;
        isInsideAnyList: (containerElement: HTMLElement) => HTMLElement | null;
        getCurrentListItem: (containerElement: HTMLElement) => HTMLLIElement | null;
        isCurrentListItemEmpty: (containerElement: HTMLElement) => boolean;
        isCursorAtListItemStart: (containerElement: HTMLElement) => boolean;
        handleListBackspace: (containerElement: HTMLElement) => boolean;
        handleListEnter: (containerElement: HTMLElement) => boolean;
        handleListTab: (containerElement: HTMLElement, shiftKey: boolean) => boolean;
        handleCodeBlockEnter: (containerElement: HTMLElement) => boolean;
        handleCodeBlockBackspace: (containerElement: HTMLElement) => boolean;
        handleAutoListTrigger: (containerElement: HTMLElement) => "orderedList" | "unorderedList" | null;
        applyListInlineStyles: (containerElement: HTMLElement) => void;
        toggleBlockquote: (containerElement: HTMLElement) => void;
        isInsideBlockquote: (containerElement: HTMLElement) => HTMLElement | null;
        toggleCodeInline: (containerElement: HTMLElement) => void;
        toggleCodeBlock: (containerElement: HTMLElement) => void;
        isInsideCodeInline: (containerElement: HTMLElement) => HTMLElement | null;
        isInsideCodeBlock: (containerElement: HTMLElement) => HTMLElement | null;
        handleInlineCodePreservation: (containerElement: HTMLElement, wasInsideInlineCode: boolean) => void;
        clearFormattingModes: () => void;
        resetFontContext: (containerElement?: HTMLElement) => void;
        handleKeyboardShortcut: (event: KeyboardEvent, containerElement: HTMLElement) => boolean;
        handleArrowKeyInCode: (event: KeyboardEvent, containerElement: HTMLElement) => boolean;
        getPlainText: (htmlContent: string) => string;
        normalizeHtml: (htmlContent: string) => string;
        trimRichTextWhitespace: (html: string | null | undefined) => string;
        handleMarkdownShortcuts: (containerElement: HTMLElement, onBeforeConversion?: () => void) => boolean;
        clearPendingFormats: () => void;
        getPendingFormats: () => FormatType[];
        getTextOffsetAtCursor: (containerElement: HTMLElement) => number;
        setCursorByTextOffset: (containerElement: HTMLElement, offset: number) => void;
        convertMarkdownToFormat: (containerElement: HTMLElement, startOffset: number, endOffset: number, contentStart: number, contentEnd: number, formatType: FormatType, linkUrl?: string) => void;
        positionCursorAfterFormat: (containerElement: HTMLElement, formattedNode: Node) => void;
        applyMarkdownConversion: (containerElement: HTMLElement, match: {
            startOffset: number;
            endOffset: number;
            contentStart: number;
            contentEnd: number;
            linkUrl?: string;
        }, formatType: FormatType) => void;
    } | null;
    handleLinkClick: () => void;
    handleLinkSubmit: (url: string, displayText?: string) => void;
    handleLinkCancel: () => void;
    handleInputClick: (event: React.MouseEvent) => void;
    handleLinkPopoverEdit: () => void;
    handleLinkPopoverRemove: () => void;
    handleLinkPopoverClose: () => void;
    handleFormatApplied: () => void;
    handleFormattingKeyDown: (event: KeyboardEvent, contenteditable: Element) => boolean;
    saveMarkdownUndoState: () => void;
    handleMarkdownUndo: () => boolean;
};