import * as React from "react";
import { type Editor } from "@tiptap/react";
export type Level = 1 | 2 | 3 | 4 | 5 | 6;
/**
 * Configuration for the heading functionality
 */
export interface UseHeadingConfig {
    /**
     * The Tiptap editor instance.
     */
    editor?: Editor | null;
    /**
     * The heading level.
     */
    level: Level;
    /**
     * Whether the button should hide when heading is not available.
     * @default false
     */
    hideWhenUnavailable?: boolean;
    /**
     * Callback function called after a successful heading toggle.
     */
    onToggled?: () => void;
}
export declare const headingIcons: {
    1: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
    2: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
    3: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
    4: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
    5: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
    6: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
};
export declare const HEADING_SHORTCUT_KEYS: Record<Level, string>;
/**
 * Checks if heading can be toggled in the current editor state
 */
export declare function canToggle(editor: Editor | null, level?: Level, turnInto?: boolean): boolean;
/**
 * Checks if heading is currently active
 */
export declare function isHeadingActive(editor: Editor | null, level?: Level | Level[]): boolean;
/**
 * Toggles heading in the editor
 */
export declare function toggleHeading(editor: Editor | null, level: Level | Level[]): boolean;
/**
 * Determines if the heading button should be shown
 */
export declare function shouldShowButton(props: {
    editor: Editor | null;
    level?: Level | Level[];
    hideWhenUnavailable: boolean;
}): boolean;
/**
 * Custom hook that provides heading functionality for Tiptap editor
 *
 * @example
 * ```tsx
 * // Simple usage
 * function MySimpleHeadingButton() {
 *   const { isVisible, isActive, handleToggle, Icon } = useHeading({ level: 1 })
 *
 *   if (!isVisible) return null
 *
 *   return (
 *     <button
 *       onClick={handleToggle}
 *       aria-pressed={isActive}
 *     >
 *       <Icon />
 *       Heading 1
 *     </button>
 *   )
 * }
 *
 * // Advanced usage with configuration
 * function MyAdvancedHeadingButton() {
 *   const { isVisible, isActive, handleToggle, label, Icon } = useHeading({
 *     level: 2,
 *     editor: myEditor,
 *     hideWhenUnavailable: true,
 *     onToggled: (isActive) => console.log('Heading toggled:', isActive)
 *   })
 *
 *   if (!isVisible) return null
 *
 *   return (
 *     <MyButton
 *       onClick={handleToggle}
 *       aria-label={label}
 *       aria-pressed={isActive}
 *     >
 *       <Icon />
 *       Toggle Heading 2
 *     </MyButton>
 *   )
 * }
 * ```
 */
export declare function useHeading(config: UseHeadingConfig): {
    isVisible: boolean;
    isActive: boolean;
    handleToggle: () => boolean;
    canToggle: boolean;
    label: string;
    shortcutKeys: string;
    Icon: React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element> | React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element> | React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element> | React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element> | React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element> | React.MemoExoticComponent<({ className, ...props }: React.SVGProps<SVGSVGElement>) => import("react/jsx-runtime").JSX.Element>;
};
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