export type ShaderType = 'pbr' | 'unlit' | 'custom';
export interface MaterialAssetData {
    name: string;
    shader: ShaderType;
    albedo: [number, number, number, number];
    metallic: number;
    roughness: number;
    albedoTexture?: string;
    emissive?: [number, number, number];
    emissiveIntensity?: number;
    normalTexture?: string;
    metallicRoughnessTexture?: string;
    texTilingX?: number;
    texTilingY?: number;
    /** Path to custom .wgsl fragment shader (e.g. "shaders/my_shader.wgsl") */
    customShaderPath?: string;
    /** Override values for custom shader @property declarations */
    customUniforms?: Record<string, number | number[]>;
    /** Texture assignments for custom shader @texture declarations */
    customTextures?: Record<string, string>;
}
export declare function createDefaultMaterialAsset(name: string): MaterialAssetData;
export declare function serializeMaterialAsset(data: MaterialAssetData): string;
export declare function deserializeMaterialAsset(json: string): MaterialAssetData;
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