import { Vector3 } from "@babylonjs/core/Maths/math.vector";
import type { DeepImmutable, Nullable } from "@babylonjs/core/types";
import type { IMmdWasmInstance } from "../mmdWasmInstance";
import type { MmdWasmModel } from "../mmdWasmModel";
import { type IPhysicsInitializeSet, type MmdWasmRuntime } from "../mmdWasmRuntime";
import type { IMmdWasmPhysicsRuntime } from "./IMmdWasmPhysicsRuntime";
import type { IMmdWasmPhysicsRuntimeImplCreationOptions, MmdWasmPhysicsRuntimeImpl } from "./mmdWasmPhysicsRuntimeImpl";
declare class PhysicsInitializer implements IPhysicsInitializeSet {
    private readonly _wasmInternal;
    constructor(wasmInternal: ReturnType<IMmdWasmInstance["createMmdRuntime"]>);
    add(model: MmdWasmModel): void;
}
/**
 * @internal
 */
export declare class MmdWasmPhysicsRuntime implements IMmdWasmPhysicsRuntime {
    nextWorldId: number;
    readonly initializer: PhysicsInitializer;
    private readonly _mmdRuntime;
    private readonly _physicsWorldPtr;
    private _maxSubSteps;
    private _fixedTimeStep;
    private readonly _gravity;
    private _worldMatrixBuffer;
    private _impl;
    constructor(mmdRuntime: MmdWasmRuntime);
    dispose(): void;
    /**
     * For multiple physics world methods
     */
    private _nullCheck;
    get maxSubSteps(): number;
    set maxSubSteps(value: number);
    get fixedTimeStep(): number;
    set fixedTimeStep(value: number);
    setGravity(gravity: DeepImmutable<Vector3>): void;
    getGravity(result?: Vector3): Nullable<Vector3>;
    setMmdModelsWorldMatrix(mmdModels: MmdWasmModel[]): void;
    getImpl(implCtor: typeof MmdWasmPhysicsRuntimeImpl, options?: IMmdWasmPhysicsRuntimeImplCreationOptions): MmdWasmPhysicsRuntimeImpl;
    get impl(): Nullable<MmdWasmPhysicsRuntimeImpl>;
}
export {};