import type { Nullable } from "../types";
import type { Scene } from "../scene";
import type { AbstractMesh } from "../Meshes/abstractMesh";
import type { SubMesh } from "../Meshes/subMesh";
import type { BaseTexture } from "../Materials/Textures/baseTexture";
import { Material } from "../Materials/material";
/**
 * A multi-material is used to apply different materials to different parts of the same object without the need of
 * separate meshes. This can be use to improve performances.
 * @see https://doc.babylonjs.com/features/featuresDeepDive/materials/using/multiMaterials
 */
export declare class MultiMaterial extends Material {
    private _subMaterials;
    /** @internal */
    _waitingSubMaterialsUniqueIds: string[];
    /**
     * Gets or Sets the list of Materials used within the multi material.
     * They need to be ordered according to the submeshes order in the associated mesh
     */
    get subMaterials(): Nullable<Material>[];
    set subMaterials(value: Nullable<Material>[]);
    /**
     * Function used to align with Node.getChildren()
     * @returns the list of Materials used within the multi material
     */
    getChildren(): Nullable<Material>[];
    /**
     * Instantiates a new Multi Material
     * A multi-material is used to apply different materials to different parts of the same object without the need of
     * separate meshes. This can be use to improve performances.
     * @see https://doc.babylonjs.com/features/featuresDeepDive/materials/using/multiMaterials
     * @param name Define the name in the scene
     * @param scene Define the scene the material belongs to
     */
    constructor(name: string, scene?: Scene);
    private _hookArray;
    /**
     * Get one of the submaterial by its index in the submaterials array
     * @param index The index to look the sub material at
     * @returns The Material if the index has been defined
     */
    getSubMaterial(index: number): Nullable<Material>;
    /**
     * Get the list of active textures for the whole sub materials list.
     * @returns All the textures that will be used during the rendering
     */
    getActiveTextures(): BaseTexture[];
    /**
     * Specifies if any sub-materials of this multi-material use a given texture.
     * @param texture Defines the texture to check against this multi-material's sub-materials.
     * @returns A boolean specifying if any sub-material of this multi-material uses the texture.
     */
    hasTexture(texture: BaseTexture): boolean;
    /**
     * Gets the current class name of the material e.g. "MultiMaterial"
     * Mainly use in serialization.
     * @returns the class name
     */
    getClassName(): string;
    /**
     * Checks if the material is ready to render the requested sub mesh
     * @param mesh Define the mesh the submesh belongs to
     * @param subMesh Define the sub mesh to look readiness for
     * @param useInstances Define whether or not the material is used with instances
     * @returns true if ready, otherwise false
     */
    isReadyForSubMesh(mesh: AbstractMesh, subMesh: SubMesh, useInstances?: boolean): boolean;
    /**
     * Clones the current material and its related sub materials
     * @param name Define the name of the newly cloned material
     * @param cloneChildren Define if submaterial will be cloned or shared with the parent instance
     * @returns the cloned material
     */
    clone(name: string, cloneChildren?: boolean): MultiMaterial;
    /**
     * Serializes the materials into a JSON representation.
     * @returns the JSON representation
     */
    serialize(): any;
    /**
     * Dispose the material and release its associated resources
     * @param forceDisposeEffect Define if we want to force disposing the associated effect (if false the shader is not released and could be reuse later on)
     * @param forceDisposeTextures Define if we want to force disposing the associated textures (if false, they will not be disposed and can still be use elsewhere in the app)
     * @param forceDisposeChildren Define if we want to force disposing the associated submaterials (if false, they will not be disposed and can still be use elsewhere in the app)
     */
    dispose(forceDisposeEffect?: boolean, forceDisposeTextures?: boolean, forceDisposeChildren?: boolean): void;
    /**
     * Creates a MultiMaterial from parsed MultiMaterial data.
     * @param parsedMultiMaterial defines parsed MultiMaterial data.
     * @param scene defines the hosting scene
     * @returns a new MultiMaterial
     */
    static ParseMultiMaterial(parsedMultiMaterial: any, scene: Scene): MultiMaterial;
}