import { EdgeWearConfig } from "./EdgeWearConfig";
import { LayerData } from "../../types";
type Node = any;
/**
 * Calculates edge wear effects for realistic weathering
 * Supports multiple wear patterns and curvature detection methods
 */
export declare class EdgeWearCalculator {
    /**
     * Apply edge wear to layer data
     */
    apply(data: LayerData, config: EdgeWearConfig): LayerData;
    /**
     * Calculate wear mask based on configuration
     */
    private calculateWearMask;
    /**
     * Curvature-based wear
     */
    private curvatureWear;
    private normalDerivativeCurvature;
    private positionCurvature;
    private simplifiedCurvature;
    private worldNormalCurvature;
    private laplaceCurvature;
    /**
     * Ambient occlusion-based wear
     */
    private ambientOcclusionWear;
    /**
     * World-space positional wear
     */
    private worldSpaceWear;
    /**
     * Combined wear patterns for most realistic results
     */
    private combinedWear;
    /**
     * Add noise variation to wear mask
     */
    private addNoiseVariation;
    /**
     * Simple FBM noise for variation
     */
    private fbmNoise;
    private hash2D;
    /**
     * Calculate wear intensity based on surface properties
     * Rougher, non-metallic surfaces wear more
     */
    calculateWearIntensity(roughness: Node, metalness: Node, ao: Node): Node;
}
export {};
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