import type { b2BodyDef, b2CircleShape, b2FixtureDef, b2PolygonShape, b2Vec2, b2World } from './types';
declare global {
    function nativeCallSyncHook(): unknown;
    var Box2dApi: undefined | {
        b2Vec2: (xIn: number, yIn: number) => b2Vec2;
        b2World: (vec: b2Vec2) => b2World;
        b2BodyDef: () => b2BodyDef;
        b2PolygonShape: () => b2PolygonShape;
        b2CircleShape: () => b2CircleShape;
        b2FixtureDef: () => b2FixtureDef;
    };
}
export declare const Box2d: {
    b2Vec2: (xIn: number, yIn: number) => b2Vec2;
    b2World: (vec: b2Vec2) => b2World;
    b2BodyDef: () => b2BodyDef;
    b2PolygonShape: () => b2PolygonShape;
    b2CircleShape: () => b2CircleShape;
    b2FixtureDef: () => b2FixtureDef;
};