import { HeadingTagType } from '@lexical/rich-text';
import { LexicalEditor, LexicalNode } from 'lexical';
export declare enum UpdateFontSizeType {
    increment = 1,
    decrement = 2
}
export declare enum BLOCK_TYPE {
    PARAGRAPH = "paragraph",
    H1 = "h1",
    H2 = "h2",
    H3 = "h3",
    BULLET = "bullet",
    NUMBER = "number",
    CHECK = "check",
    QUOTE = "quote",
    CODE = "code"
}
export type BLOCK_TYPE_VALUE = 'number' | 'paragraph' | 'bullet' | 'check' | 'code' | 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'quote';
/**
 * Calculates the new font size based on the update type.
 * @param currentFontSize - The current font size
 * @param updateType - The type of change, either increment or decrement
 * @returns the next font size
 */
export declare const calculateNextFontSize: (currentFontSize: number, updateType: UpdateFontSizeType | null) => number;
/**
 * Patches the selection with the updated font size.
 */
export declare const updateFontSizeInSelection: (editor: LexicalEditor, newFontSize: string | null, updateType: UpdateFontSizeType | null) => void;
export declare const updateFontSize: (editor: LexicalEditor, updateType: UpdateFontSizeType, inputValue: number) => void;
export declare const formatParagraph: (editor: LexicalEditor) => void;
export declare const formatHeading: (editor: LexicalEditor, blockType: BLOCK_TYPE_VALUE, headingSize: HeadingTagType) => void;
export declare const formatBulletList: (editor: LexicalEditor, blockType: BLOCK_TYPE_VALUE) => void;
export declare const formatCheckList: (editor: LexicalEditor, blockType: BLOCK_TYPE_VALUE) => void;
export declare const formatNumberedList: (editor: LexicalEditor, blockType: string) => void;
export declare const formatQuote: (editor: LexicalEditor, blockType: BLOCK_TYPE_VALUE) => void;
export declare const formatCode: (editor: LexicalEditor, blockType: BLOCK_TYPE_VALUE) => void;
export declare const clearFormatting: (editor: LexicalEditor) => void;
export declare function $findTopLevelElement(node: LexicalNode): LexicalNode;