import { OutlinerElement, OutlinerElementData } from './outliner_element';
import { Armature } from './armature';
import { Mesh } from './mesh';
import { Vector3 } from '../modeling/transform';
export interface ArmatureBoneData extends OutlinerElementData {
    origin?: Vector3;
    rotation?: Vector3;
    vertex_weights?: Record<string, number>;
    length?: number;
    width?: number;
    connected?: boolean;
    color?: number;
    children?: ArmatureBone[];
    isOpen?: boolean;
    visibility?: boolean;
}
export declare class ArmatureBone extends OutlinerElement {
    children: ArmatureBone[];
    isOpen: boolean;
    visibility: boolean;
    origin: Vector3;
    rotation: Vector3;
    vertex_weights: Record<string, number>;
    length: number;
    width: number;
    connected: boolean;
    color: number;
    constructor(data?: ArmatureBoneData | string, uuid?: string);
    get position(): Vector3;
    extend(data: ArmatureBoneData): this;
    /**
     * Get armature this bone belongs to
     */
    getArmature(): Armature | undefined;
    /**
     * Get vertex weight for a mesh vertex
     */
    getVertexWeight(mesh: Mesh, vkey: string): number;
    /**
     * Set vertex weight for a mesh vertex
     */
    setVertexWeight(mesh: Mesh, vkey: string, weight?: number): this;
    /**
     * Get tail position (end of bone)
     */
    getTailPosition(): Vector3;
    /**
     * Get world position (accounting for parent transformations)
     */
    getWorldPosition(): Vector3;
    /**
     * Get all child bones recursively
     */
    getAllChildren(): ArmatureBone[];
    /**
     * Add child bone
     */
    addChild(bone: ArmatureBone): this;
    /**
     * Remove child bone
     */
    removeChild(bone: ArmatureBone): this;
    forEachChild(callback: (bone: ArmatureBone) => void, forSelf?: boolean): void;
    /**
     * Get bone size
     */
    size(): Vector3;
    size(axis: 0 | 1 | 2): number;
    /**
     * Get bone volume (approximate)
     */
    getVolume(): number;
    getSaveCopy(): any;
    getUndoCopy(): any;
}
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