import * as THREE from 'three';
import type { PropInstance } from '../types.js';
/** One prop's placement inside a {@link createPropComposite} group: local position, Euler rotation, and uniform or per-axis scale. */
export interface CompositePart {
    prop: PropInstance;
    position?: [number, number, number];
    rotation?: [number, number, number];
    scale?: number | [number, number, number];
}
/** A group of placed prop instances. `dispose()` disposes every part. */
export interface PropComposite {
    object: THREE.Group;
    parts: PropInstance[];
    dispose(): void;
}
/**
 * Assemble several mounted props into one `Group`, applying each part's
 * position/rotation/scale. Useful for authoring compound set-pieces from
 * simple props.
 *
 * @param parts - Props with optional local transforms.
 * @returns A {@link PropComposite} whose `object` is ready to add to the scene.
 */
export declare function createPropComposite(parts: CompositePart[]): PropComposite;
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