/**
 * @god_rays Trait — Screen-Space Volumetric Light Scattering
 *
 * Post-process effect that renders god rays (crepuscular rays) from
 * the sun position. Reads sun_position from @weather blackboard.
 *
 * Uses a screen-space radial blur from the projected light source.
 *
 * @module traits
 */
import type { TraitHandler } from '@holoscript/core';
interface GodRaysConfig {
    /** Light decay per sample (default: 0.96) */
    decay: number;
    /** Ray weight/brightness (default: 0.5) */
    weight: number;
    /** Overall exposure (default: 0.3) */
    exposure: number;
    /** Number of radial blur samples (default: 100) */
    samples: number;
    /** Density of the medium (default: 1.0) */
    density: number;
    /** Whether to read sun position from @weather (default: true) */
    use_weather: boolean;
    /** Manual light position if not using weather [x, y, z] */
    light_position: [number, number, number];
}
export declare const godRaysHandler: TraitHandler<GodRaysConfig>;
export {};
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