import type { HighFragment } from '../HighFragment';
/**
 * basic simple shadow function
 */
export declare const standardShadow: HighFragment;
/**
 * PCF shadow function that - give us nice soft shadows on WebGL2
 */
export declare const pcfShadow: HighFragment;
/**
 * Poisson disk shadow function, softer-ish shadow that works with WebGL 1 and 2
 */
export declare const poissonShadow: HighFragment;
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