import type { RegionBase } from 'roosterjs-editor-types';
/**
 * Merge a BlockElement of given node after another node
 * @param region Region to operate in
 * @param refNode The node to merge after
 * @param targetNode The node of target block element
 */
export default function mergeBlocksInRegion(region: RegionBase, refNode: Node, targetNode: Node): void;