import { OutlinerNode } from './outliner_node';
export interface GroupData {
    uuid?: string;
    name?: string;
    origin?: [number, number, number];
    rotation?: [number, number, number];
    children?: OutlinerNode[];
    shade?: boolean;
    mirror_uv?: boolean;
    reset?: boolean;
    autouv?: number;
    color?: number;
    [key: string]: any;
}
export declare class Group extends OutlinerNode {
    children: OutlinerNode[];
    origin: [number, number, number];
    rotation: [number, number, number];
    selected: boolean;
    locked: boolean;
    visibility: boolean;
    export: boolean;
    isOpen: boolean;
    shade: boolean;
    mirror_uv: boolean;
    autouv: number;
    reset: boolean;
    color: number;
    constructor(data?: GroupData | string, uuid?: string);
    extend(data: GroupData): this;
    /**
     * Iterate over all children recursively
     */
    forEachChild(callback: (child: OutlinerNode) => void, recursive?: boolean): void;
    /**
     * Get all children recursively
     */
    getAllChildren(): OutlinerNode[];
    /**
     * Add child to group
     */
    addChild(child: OutlinerNode): this;
    /**
     * Remove child from group
     */
    removeChild(child: OutlinerNode): boolean;
    remove(removeChildren?: boolean): this;
    /**
     * Resolve/flatten group (move children to parent)
     */
    resolve(undo?: boolean): OutlinerNode[];
    /**
     * Transfer origin to new position
     */
    transferOrigin(origin: [number, number, number]): this;
    /**
     * Set color index
     */
    setColor(index: number): this;
    /**
     * Sort children by name
     */
    sortContent(): this;
    /**
     * Duplicate group with all children
     */
    duplicate(): Group;
    /**
     * Get copy without children
     */
    getChildlessCopy(keep_uuid?: boolean): Group;
    /**
     * Get world center
     */
    getWorldCenter(): [number, number, number];
    unselect(): this;
    getSaveCopy(nested?: boolean): Group;
}
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