import type { Skeleton } from "@babylonjs/core/Bones/skeleton";
import type { Material } from "@babylonjs/core/Materials/material";
import type { MultiMaterial } from "@babylonjs/core/Materials/multiMaterial";
import type { Mesh } from "@babylonjs/core/Meshes/mesh";
import type { MorphTargetManager } from "@babylonjs/core/Morph/morphTargetManager";
import type { Nullable } from "@babylonjs/core/types";
import type { MmdModelMetadata } from "../Loader/mmdModelMetadata";
/**
 * Mesh type that able to create `MmdModel` instance
 */
export interface MmdMesh extends Mesh {
    metadata: MmdModelMetadata;
    material: MmdMultiMaterial;
    skeleton: Skeleton;
    morphTargetManager: MorphTargetManager;
}
/**
 * Mesh type that able to force create `MmdModel` instance
 */
export interface HumanoidMesh extends Mesh {
    metadata: MmdModelMetadata;
    material: Material;
    skeleton: Skeleton;
    morphTargetManager: Nullable<MorphTargetManager>;
}
/**
 * Static mesh loaded from PMX or BPMX file
 */
export interface MmdStaticMesh extends Mesh {
    metadata: MmdModelMetadata;
    material: MmdMultiMaterial;
}
/**
 * Multi material for MMD model
 */
export interface MmdMultiMaterial extends MultiMaterial {
    subMaterials: Material[];
}
/**
 * Mesh type that after create `MmdModel` instance
 */
export interface RuntimeMmdMesh extends Mesh {
    metadata: RuntimeMmdModelMetadata;
    material: MmdMultiMaterial;
    skeleton: Skeleton;
    morphTargetManager: MorphTargetManager;
}
/**
 * Metadata for `RuntimeMmdMesh`
 */
export interface RuntimeMmdModelMetadata {
    isRuntimeMmdModel: true;
    header: MmdModelMetadata.Header;
}
export declare namespace MmdMesh {
    /**
     * Check if the mesh is MMD mesh
     * @param mesh Mesh to check
     * @returns `true` if the mesh is `MmdMesh`
     */
    function isMmdMesh(mesh: Mesh): mesh is MmdMesh;
    /**
     * Check if the mesh is MMD static mesh
     * @param mesh Mesh to check
     * @returns `true` if the mesh is `MmdStaticMesh`
     */
    function isMmdStaticMesh(mesh: Mesh): mesh is MmdStaticMesh;
}
export declare namespace HumanoidMesh {
    /**
     * Check if the mesh is humanoid mesh
     * @param mesh Mesh to check
     * @returns `true` if the mesh is `HumanoidMesh`
     */
    function isHumanoidMesh(mesh: Mesh): mesh is HumanoidMesh;
}