import Joint from './Joint';
import Texture2D from './Texture2D';
import BoundingBox from './math/BoundingBox';
import type ClayNode from './Node';
import type Geometry from './Geometry';
import TrackAnimator from './animation/TrackAnimator';
/**
 * @constructor clay.Skeleton
 */
declare class Skeleton {
    /**
     * Relative root node that not affect transform of joint.
     */
    relativeRootNode?: ClayNode;
    /**
     * Name
     */
    name: string;
    /**
     * joints
     */
    joints: Joint[];
    /**
     * bounding box with bound geometry.
     */
    boundingBox?: BoundingBox;
    private _animations;
    private _invBindPoseMatricesArray?;
    private _jointMatricesSubArrays?;
    private _skinMatricesArray?;
    private _skinMatricesSubArrays?;
    private _subSkinMatricesArray?;
    private _jointsBoundingBoxes?;
    private _skinMatricesTexture?;
    constructor(name?: string);
    /**
     * Add a skinning clip and create a map between clip and skeleton
     * @param animator
     * @param mapRule Map between joint name in skeleton and joint name in clip
     */
    addAnimator(animator: TrackAnimator, mapRule?: Record<string, string>): number | undefined;
    /**
     * @param animator
     */
    removeAnimator(animator: TrackAnimator): void;
    /**
     * Remove all clips
     */
    removeAnimatorsAll(): void;
    /**
     * Get animator by index
     * @param index
     */
    getAnimator(index: number): TrackAnimator | undefined;
    /**
     * Return clips number
     */
    getAnimatorsCount(): number;
    /**
     * Calculate joint matrices from node transform
     * @function
     */
    updateJointMatrices(): void;
    /**
     * Update boundingBox of each joint bound to geometry.
     * ASSUME skeleton and geometry joints are matched.
     * @param {clay.Geometry} geometry
     */
    updateJointsBoundingBoxes(geometry: Geometry): void;
    setJointMatricesArray(arr: Float32Array): void;
    updateMatricesSubArrays(): void;
    /**
     * Update skinning matrices
     */
    update(): void;
    getSubSkinMatrices(meshId: number, joints: number[]): Float32Array;
    getSubSkinMatricesTexture(meshId: number, joints: number[]): Texture2D;
    getSkinMatricesTexture(): Texture2D | undefined;
    _setPose(): void;
    clone(clonedNodesMap: Record<string, ClayNode>): Skeleton;
}
export default Skeleton;