import type { MeshBasicMaterial } from "three";
import { Color, MeshPhysicalMaterial } from "three";
export interface BasicToPhysicalConverterOptions {
    preserveName: boolean;
    copyUserData: boolean;
    disposeOriginal: boolean;
    clearcoat: number;
    clearcoatRoughness: number;
    sheen: number;
    transmission: number;
    ior: number;
    metalness: number;
    roughness: number;
    emissive: Color | string | number;
    emissiveIntensity: number;
}
export declare class BasicToPhysicalConverter {
    static convert(material: MeshBasicMaterial, options?: Partial<BasicToPhysicalConverterOptions>): MeshPhysicalMaterial;
    private static copyBasicProperties;
    private static convertColorAndPBRProperties;
    private static convertTextureMaps;
    private static convertTransparencyProperties;
    private static applyPhysicalProperties;
}