import { LayerConfig, LayerData, NodeMaterialInput } from "../types";
import { Texture } from "three";
/**
 * Extracts shader nodes and textures from existing Three.js materials
 * Allows reuse of pre-built materials as layers
 */
export declare class MaterialExtractor {
    /**
     * Extract layer data from a material's shader nodes
     */
    extractFromMaterial(layer: LayerConfig): LayerData;
    /**
     * Extract shader nodes from material
     */
    private extractNodes;
    private extractRoughness;
    private extractMetalness;
    private extractAO;
    /**
     * Check if material has texture maps
     */
    private hasTextures;
    /**
     * Extract textures and apply layer transformations
     */
    private extractAndTransformTextures;
    /**
     * Extract texture maps from material
     */
    extractTextures(material: NodeMaterialInput): {
        colorMap?: Texture;
        normalMap?: Texture;
        roughnessMap?: Texture;
        metalnessMap?: Texture;
        aoMap?: Texture;
        heightMap?: Texture;
    };
    /**
     * Apply edge wear to extracted material
     */
    private applyEdgeWearToExtracted;
    /**
     * Check if material can be used as layer input
     */
    static isCompatible(material: any): material is NodeMaterialInput;
}
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