import type { Group } from '../../../graphic/group';
import type { SceneProxy } from '../proxy';
export declare function checkFirstRowMerge(row: number, proxy: SceneProxy): void;
export declare function checkFirstColMerge(col: number, proxy: SceneProxy): void;
export declare function getFirstChild(containerGroup: Group): Group;
export declare function getLastChild(containerGroup: Group): Group;
export declare function getPrevGroup(group: Group): Group;
export declare function getNextGroup(group: Group): Group;