import type { Node as PMNode } from '@atlaskit/editor-prosemirror/model';
export declare const buildLayoutColumnMenuMeta: (anchorPos: number, openedViaKeyboard: boolean) => {
    anchorPos: number;
    isOpen?: true;
    openedViaKeyboard: boolean;
};
export declare const getNodeSpacingForDragPreview: (node?: PMNode | null) => {
    bottom: string;
    top: string;
};
export declare const getNodeMarginsForDragPreview: (node?: PMNode | null) => {
    bottom: number;
    top: number;
};