import { Quaternion, Vector3 } from "@babylonjs/core/Maths/math.vector";
import type { MmdModelMetadata } from "../Loader/mmdModelMetadata";
import type { MmdRuntimeBone } from "./mmdRuntimeBone";
type RemoveUndefined<T> = T extends undefined ? never : T;
type AppendTransformMetadata = RemoveUndefined<MmdModelMetadata.Bone["appendTransform"]>;
export declare class AppendTransformSolver {
    readonly isLocal: boolean;
    readonly affectRotation: boolean;
    readonly affectPosition: boolean;
    readonly ratio: number;
    readonly targetBone: MmdRuntimeBone;
    readonly appendPositionOffset: Vector3;
    readonly appendRotationOffset: Quaternion;
    constructor(boneFlag: number, boneAppendTransformMetadata: AppendTransformMetadata, targetBone: MmdRuntimeBone);
    private static readonly _IdentityQuaternion;
    update(): void;
}
export {};