import { ScalarBlendMode } from "./BlendModeConfig";
type Node = any;
/**
 * Handles blending of scalar properties (roughness, metalness, AO)
 * Provides various blending strategies for different material behaviors
 */
export declare class ScalarBlender {
    /**
     * Blend two scalar values using specified mode
     * @param baseValue - Base layer value
     * @param topValue - Top layer value
     * @param blendFactor - Blend amount (0-1)
     * @param mode - Blending mode
     */
    blend(baseValue: Node, topValue: Node, blendFactor: Node, mode?: ScalarBlendMode): Node;
    private min;
    private max;
    private multiply;
    private average;
    private overlay;
    private add;
    private subtract;
    /**
     * Specialized blend for roughness that considers physical constraints
     * Rougher surfaces should generally dominate
     */
    blendRoughness(baseRoughness: Node, topRoughness: Node, blendFactor: Node, mode?: ScalarBlendMode): Node;
    /**
     * Specialized blend for metalness
     * Binary in nature (metal or not), but can be blended for transitions
     */
    blendMetalness(baseMetalness: Node, topMetalness: Node, blendFactor: Node, mode?: ScalarBlendMode): Node;
    /**
     * Specialized blend for ambient occlusion
     * Darker values (more occlusion) should typically dominate
     */
    blendAO(baseAO: Node, topAO: Node, blendFactor: Node, mode?: ScalarBlendMode): Node;
}
export {};
//# sourceMappingURL=ScalarBlender.d.ts.map