import { LayeredMaterial } from "../LayeredMaterial";
import { LayerConfig, LayeredMaterialOptions } from "../types";
/**
 * Transition between material states (dry/wet, day/night, clean/dirty)
 */
export declare class DynamicLayeredMaterial extends LayeredMaterial {
    private _sourceLayers;
    private _targetLayers;
    private _transitionFactor;
    private _transitionState;
    private _transitionSpeed;
    private _autoUpdate;
    constructor(options?: LayeredMaterialOptions & {
        transitionSpeed?: number;
        autoUpdate?: boolean;
    });
    /**
     * Start transition to target layers
     * @param targetLayers - Target layer configuration
     * @param transitionSpeed - Speed of transition (multiplier)
     */
    startTransition(targetLayers: LayerConfig[], transitionSpeed?: number): void;
    /**
     * Set transition factor manually (0-1)
     */
    setTransition(targetLayers: LayerConfig[], factor: number): void;
    /**
     * Update transition (call this in animation loop if autoUpdate is false)
     */
    update(deltaTime: number): void;
    /**
     * Update the material with blended layers
     */
    private updateBlendedLayers;
    /**
     * Blend two layer configurations by a factor (0-1)
     */
    private blendLayerConfigs;
    /**
     * Apply opacity to a layer
     */
    private applyLayerOpacity;
    /**
     * Blend two individual layer configurations
     */
    private blendSingleLayerConfig;
    private blendEdgeWear;
    private blendTextureBombing;
    private blendMask;
    /**
     * Blend height blend configurations
     */
    private blendHeightBlend;
    /**
     * Linear interpolation between two numbers
     */
    private lerp;
    /**
     * Blend between two RGB colors
     */
    private blendRGBColors;
    /**
     * Get current transition progress (0-1)
     */
    getTransitionProgress(): number;
    /**
     * Check if material is currently transitioning
     */
    isTransitioning(): boolean;
    /**
     * Complete the transition (fully adopt target layers)
     */
    completeTransition(): void;
    /**
     * Cancel transition and revert to source layers
     */
    cancelTransition(): void;
}
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