import type { Layout } from '@atlaskit/adf-schema/extensions';
import type { Node } from '@atlaskit/editor-prosemirror/model';
export declare const getExtensionPresetWidth: (layout: 'default' | 'wide' | 'full-width') => number;
/**
 * getExtensionLayout tries to match the breakout mark's width (if any) to an extension layout preset.
 * @returns the layout preset if the breakout width matches, null if there is no match, or
 * the node's layout attribute if there is no breakout width.
 */
export declare const getExtensionLayout: (node: Node) => Layout | null;
