import { type ArrayNumber4, TgdLight, TgdMaterial, TgdTexture2D, TgdVec4 } from "@tolokoban/tgd";
export type MaterialDiffuseAlphaOptions = Partial<{
    color: TgdVec4 | ArrayNumber4 | TgdTexture2D;
    light: TgdLight;
    ambient: TgdLight;
    specularExponent: number;
    specularIntensity: number;
    lockLightsToCamera: boolean;
    alphaCut: number;
    opacity: number;
}>;
export declare class MaterialDiffuseAlpha extends TgdMaterial {
    light: TgdLight;
    ambient: TgdLight;
    specularExponent: number;
    specularIntensity: number;
    alphaCut: number;
    readonly texture: TgdTexture2D | null;
    private _opacity;
    private readonly lightColor;
    private readonly ambientColor;
    constructor(options?: MaterialDiffuseAlphaOptions);
    get opacity(): number;
    set opacity(opacity: number);
}
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