/**
 * Contains a list of {@link MorphTarget}, a combined delta AABB and some associated data.
 *
 * @category Graphics
 */
export class Morph extends RefCountedObject {
    /**
     * Create a new Morph instance.
     *
     * @param {import('./morph-target.js').MorphTarget[]} targets - A list of morph targets.
     * @param {import('../platform/graphics/graphics-device.js').GraphicsDevice} graphicsDevice -
     * The graphics device used to manage this morph target.
     * @param {object} [options] - Object for passing optional arguments.
     * @param {boolean} [options.preferHighPrecision] - True if high precision storage should be
     * prefered. This is faster to create and allows higher precision, but takes more memory and
     * might be slower to render. Defaults to false.
     */
    constructor(targets: import("./morph-target.js").MorphTarget[], graphicsDevice: import("../platform/graphics/graphics-device.js").GraphicsDevice, { preferHighPrecision }?: {
        preferHighPrecision?: boolean;
    });
    /**
     * @type {BoundingBox}
     * @private
     */
    private _aabb;
    /** @type {boolean} */
    preferHighPrecision: boolean;
    device: import("../platform/graphics/graphics-device.js").GraphicsDevice;
    _targets: import("./morph-target.js").MorphTarget[];
    _renderTextureFormat: number;
    _textureFormat: number;
    _useTextureMorph: boolean;
    get aabb(): BoundingBox;
    get morphPositions(): boolean;
    get morphNormals(): boolean;
    get maxActiveTargets(): number;
    get useTextureMorph(): boolean;
    _init(): void;
    _findSparseSet(deltaArrays: any, ids: any, usedDataIndices: any, floatRounding: any): number;
    _initTextureBased(): boolean;
    morphTextureWidth: number;
    morphTextureHeight: number;
    vertexBufferIds: VertexBuffer;
    /**
     * Frees video memory allocated by this object.
     */
    destroy(): void;
    /**
     * Gets the array of morph targets.
     *
     * @type {import('./morph-target.js').MorphTarget[]}
     */
    get targets(): import("./morph-target.js").MorphTarget[];
    _updateMorphFlags(): void;
    _morphPositions: boolean;
    _morphNormals: boolean;
    _createTexture(name: any, format: any): Texture;
}
import { RefCountedObject } from '../core/ref-counted-object.js';
import { BoundingBox } from '../core/shape/bounding-box.js';
import { VertexBuffer } from '../platform/graphics/vertex-buffer.js';
import { Texture } from '../platform/graphics/texture.js';