import { BlockElement, Editor, InsertBlockOptions } from "../interface";
export declare function isHeadingBlock(block: BlockElement): boolean;
export declare function getBlockHeading(block: BlockElement): number;
export declare function getBlockHeadingSafe(block: BlockElement): number | undefined;
export declare function isCollapsed(block: BlockElement): boolean;
export declare function isExpanded(block: BlockElement): boolean;
export declare function getHeadingChildren(block: BlockElement): BlockElement[];
export declare function getNextNoneChildBlock(block: BlockElement): BlockElement | null;
export declare function collapseHeadingBlock(block: BlockElement): void;
export declare function expandHeadingBlock(block: BlockElement): void;
export declare function isCollapsedChild(block: BlockElement): boolean;
export declare function initExpandButton(editor: Editor, block: BlockElement): void;
export declare function removeExpandButton(block: BlockElement): void;
export declare function handleBlockMouseEnter(block: BlockElement): void;
export declare function handleBlockMouseLeave(block: BlockElement): void;
export declare function getAllBlocksHeading(blocks: BlockElement[]): number;
export declare function handleBlockInserted(block: BlockElement, options: InsertBlockOptions): void;