/**
 * IQ's parametric 2D voronoise. Depending on `u` and `v`, this function
 * produces 4 different noise types
 *
 * - cell noise `(0,0)`
 * - voronoi `(1,0)`
 * - perlin noise `(0,1)`
 * - voronoise `(1,1)`
 *
 * http://www.iquilezles.org/www/articles/voronoise/voronoise.htm
 *
 * Note: This implementation uses the improved {@link hash32} by Dave Hoskins
 * instead of iq's original {@link hash3}.
 *
 * @param p -
 * @param u -
 * @param v -
 */
export declare const voronoise2: import("@thi.ng/shader-ast").TaggedFn3<"vec2", "float", "float", "float">;
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