/**
 * A shader effect that applies a warm sepia (vintage photo) tone to the sprite.
 * @category Effects
 * @see {@link Renderable.shader} for usage
 * @example
 * mySprite.shader = new SepiaEffect(renderer);
 * @example
 * // partial sepia
 * mySprite.shader = new SepiaEffect(renderer, { intensity: 0.5 });
 */
export default class SepiaEffect extends ShaderEffect {
    /**
     * @param {import("../webgl_renderer.js").default} renderer - the current renderer instance
     * @param {object} [options] - effect options
     * @param {number} [options.intensity=1.0] - sepia intensity (0.0 = original, 1.0 = full sepia)
     */
    constructor(renderer: import("../webgl_renderer.js").default, options?: {
        intensity?: number | undefined;
    });
    intensity: number;
    /**
     * set the sepia intensity
     * @param {number} value - sepia intensity (0.0 = original, 1.0 = full sepia)
     */
    setIntensity(value: number): void;
}
import ShaderEffect from "../shadereffect.js";
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