import type { IWasmSpinLock } from "../../../Misc/IWasmSpinLock";
import type { IBulletWasmInstance } from "../bulletWasmInstance";
import type { RigidBodyBundle } from "../rigidBodyBundle";
import { ImmediateRigidBodyBundleImpl } from "./Immediate/immediateRigidBodyBundleImpl";
import { ImmediateRigidBodyImpl } from "./Immediate/immediateRigidBodyImpl";
import type { IPhysicsRuntime } from "./IPhysicsRuntime";
declare class NullSpinlock implements IWasmSpinLock {
    wait(): void;
}
/**
 * Empty implementation of the physics runtime
 * for use PhysicsWorld/MultiPhysicsWorld directly without any additional runtime
 */
export declare class NullPhysicsRuntime implements IPhysicsRuntime {
    /**
     * @internal
     */
    readonly wasmInstance: IBulletWasmInstance;
    /**
     * Spinlock for the physics runtime to synchronize access to the physics world state
     * @internal
     */
    readonly lock: NullSpinlock;
    /**
     * Creates a new physics runtime
     * @param wasmInstance The Bullet WASM instance
     */
    constructor(wasmInstance: IBulletWasmInstance);
    /** @internal */
    createRigidBodyImpl(): ImmediateRigidBodyImpl;
    /** @internal */
    createRigidBodyBundleImpl(bundle: RigidBodyBundle): ImmediateRigidBodyBundleImpl;
}
export {};