import type { vec3 } from '@predy-js/render-interface';
import type { mat4, vec4 } from '@predy-js/render-interface';
export interface TransformData {
    position?: vec3;
    rotation?: vec3;
    quat?: vec4;
    scale?: vec3;
    name?: string;
}
export declare class Transform implements TransformData {
    static getRotation(out: vec3 | number[], quat: vec4): vec3;
    readonly position: vec3;
    readonly quat: vec4;
    readonly scale: vec3;
    name: string;
    private _pt?;
    private _worldMat?;
    private _opacity;
    protected _children: Transform[];
    private readonly _worldTRSCache;
    private _dirty;
    private _matrix;
    constructor(opt?: TransformData, parent?: Transform);
    set parentTransform(t: Transform);
    get parentTransform(): Transform;
    clone(): Transform;
    setTransform(opt: TransformData, reverseEuler?: boolean): void;
    getRotation(out: vec3 | number[]): vec3;
    setOpacity(o: number): void;
    get opacity(): number;
    get rotation(): vec3;
    get matrix(): mat4;
    setQuat(x: number, y: number, z: number, w: number): void;
    setPosition(x: number, y: number, z: number): void;
    setRotation(x: number, y: number, z: number): void;
    setScale(x: number, y: number, z: number): void;
    rotate(quat: vec4): void;
    translate(x: number, y: number, z: number): void;
    scaleBy(x: number, y: number, z: number): void;
    invalid(): void;
    invalidChildren(): void;
    invalidSelf(): void;
    get worldOpacity(): number;
    get dirty(): boolean;
    getWorldMatrix(out?: mat4): mat4;
    fromMat4(m4: mat4, scale?: vec3): Transform;
    getWorldTRS(position?: vec3 | Float32Array | number[], quat?: vec4 | Float32Array | number[], scale?: vec3 | Float32Array | number[]): void;
}