import { EditorView } from '@tiptap/pm/view';
export declare function findBoundaryPosition(view: EditorView, event: MouseEvent, handleWidth: number): number;
/**
 * 更新节点的 flexGrow 属性
 */
export declare function updateColumnNodeFlex(view: any, pos: any, flex: any): void;
/**
 * 获取当前位置的列信息
 */
export declare function getColumnInfoAtPos(view: EditorView, boundaryPos: number): {
    $pos: import("@tiptap/pm/model").ResolvedPos;
    node: import("@tiptap/pm/model").Node;
    columnEl: HTMLElement;
    domWidth: number;
};
