import type { Dimensions } from "../../../../core/domain/types.js";
import type { LightRay, CausticsState } from "../../domain/models/OceanModels.js";
import type { ILightRayRenderer } from "../contracts/ILightRayRenderer.js";
/**
 * A+ Light Ray Renderer
 *
 * Renders ethereal underwater light with:
 * - Volumetric god rays with soft gaussian edges
 * - Depth color shifting (cyan → deep blue)
 * - Dappled, organic edges (not rectangles)
 * - Wave distortion (rays sway with surface)
 * - Visible dust particles in beams
 * - Caustic patterns on the ocean floor
 * - Intensity pulsing (clouds passing)
 */
export declare class LightRayRenderer implements ILightRayRenderer {
    drawLightRays(ctx: CanvasRenderingContext2D, dimensions: Dimensions, lightRays: LightRay[], quality: string): void;
    private drawSingleRay;
    /**
     * Draw soft volumetric glow around ray
     */
    private drawVolumetricGlow;
    /**
     * Draw main ray body with dappled, organic edges
     */
    private drawDappledRayBody;
    /**
     * Get edge variation based on seed
     */
    private getEdgeVariation;
    /**
     * Stable control-point wobble derived from the ray's edgeSeeds (NOT Math.random,
     * which re-randomized the silhouette every frame). The seed fixes a per-segment
     * phase so the dapple is consistent; colorShiftPhase adds a slow sway so the edge
     * breathes instead of being frozen. Returns ~[-0.5, 0.5] to match the old range.
     */
    private getEdgeWobble;
    /**
     * Draw visible dust particles in the light beam
     */
    private drawDustParticles;
    /**
     * Draw caustic patterns (dancing light on ocean floor)
     */
    drawCaustics(ctx: CanvasRenderingContext2D, dimensions: Dimensions, caustics: CausticsState, quality: string): void;
    private drawCausticCell;
}
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