import * as THREE from 'three';
type ForceHandler = () => void;
type CancelFunction = () => void;
/**
 * Parameters for applying a force to a body in the simulation.
 * The force vector is computed as (pullPos - anchorPos) * scale.
 */
interface ForceApplicationParams {
    /**
     * Target position in world coordinates (Three.js coordinate system).
     * The force will point from anchorPos towards this position.
     * This acts like a "pull point" - the body is pulled towards this location.
     */
    pullPos: THREE.Vector3;
    /**
     * Point on the body where the force is applied, in world coordinates (Three.js).
     * If not specified, defaults to the body's center of mass.
     * This determines both the force direction (from anchor to target) and
     * the torque generated (if anchor is offset from center of mass).
     */
    anchorPos?: THREE.Vector3;
    /**
     * Scaling factor for the force magnitude.
     * The raw force vector (pullPos - anchorPos) is multiplied by this value.
     * Default is typically 1.0. Higher values create stronger forces.
     * Units: Force will be in Newtons if positions are in meters.
     */
    scale?: number;
    /**
     * MuJoCo body ID to apply the force to.
     * Must be a valid body index (0 to model.nbody - 1).
     * Body 0 is typically the world body and shouldn't receive forces.
     */
    bodyId: number;
}
export declare function useForceManager(): [
    (handler: ForceHandler) => CancelFunction,
    () => void,
    (params: ForceApplicationParams) => void
];
export {};