import { StandardMaterial } from "@babylonjs/core/Materials/standardMaterial";
import type { Texture } from "@babylonjs/core/Materials/Textures/texture";
import type { Color4 } from "@babylonjs/core/Maths/math.color";
import { Color3 } from "@babylonjs/core/Maths/math.color";
import type { Scene } from "@babylonjs/core/scene";
import type { Nullable } from "@babylonjs/core/types";
import type { MmdPluginMaterialSphereTextureBlendMode } from "./mmdPluginMaterial";
/**
 * MMD standard material
 *
 * This material is an extension of the `StandardMaterial` and includes features for mmd's shading specifications
 *
 * The user can decide whether to activate each mmd shading specification
 *
 * If you disable all features, it behaves the same as `StandardMaterial`
 */
export declare class MmdStandardMaterial extends StandardMaterial {
    private readonly _pluginMaterial;
    /**
     * Whether to use the outline rendering (default: false)
     */
    renderOutline: boolean;
    /**
     * Outline width (default: 0.01)
     */
    outlineWidth: number;
    /**
     * Outline color (default: (0, 0, 0))
     */
    outlineColor: Color3;
    /**
     * Outline alpha (default: 1.0)
     */
    outlineAlpha: number;
    /**
     * Create a new MMD standard material
     * @param name Define the name of the material in the scene
     * @param scene The scene the material belongs to
     */
    constructor(name: string, scene?: Scene);
    /**
     * Get or set sphere texture
     */
    get sphereTexture(): Nullable<Texture>;
    set sphereTexture(value: Nullable<Texture>);
    /**
     * Get or set sphere texture blend mode (default: MmdPluginMaterialSphereTextureBlendMode.Add)
     */
    get sphereTextureBlendMode(): MmdPluginMaterialSphereTextureBlendMode;
    set sphereTextureBlendMode(value: MmdPluginMaterialSphereTextureBlendMode);
    /**
     * Get or set toon texture
     */
    get toonTexture(): Nullable<Texture>;
    set toonTexture(value: Nullable<Texture>);
    /**
     * If toe on texture is not set, decide whether to treat it as if it had white toon texture applied (default: true)
     *
     * In general, in order to get a stylized rendering, it's better to do true
     *
     * and if you want a more realistic rendering, it's better to do false
     */
    get ignoreDiffuseWhenToonTextureIsNull(): boolean;
    set ignoreDiffuseWhenToonTextureIsNull(value: boolean);
    /**
     * Get or set whether to use the texture color (default: (1, 1, 1, 1))
     *
     * If this property is first accessed as set, the shader is recompiled to support texture color properties
     *
     * After that, the feature is no longer turned off to prevent shader recompilation
     *
     * These features are subject to change at a later date
     */
    get textureColor(): Color4;
    set textureColor(value: Color4);
    /**
     * Get or set whether to use the sphere texture color (default: (1, 1, 1, 1))
     *
     * If this property is first accessed as set, the shader is recompiled to support texture color properties
     *
     * After that, the feature is no longer turned off to prevent shader recompilation
     *
     * These features are subject to change at a later date
     */
    get sphereTextureColor(): Color4;
    set sphereTextureColor(value: Color4);
    /**
     * Get or set whether to use the toon texture color (default: (1, 1, 1, 1))
     *
     * If this property is first accessed as set, the shader is recompiled to support texture color properties
     *
     * After that, the feature is no longer turned off to prevent shader recompilation
     *
     * These features are subject to change at a later date
     */
    get toonTextureColor(): Color4;
    set toonTextureColor(value: Color4);
}