/**
 * Shared WGSL for multi-shadow sampling (group 2).
 *
 * Supports up to 2 directional (2-cascade each), 2 point (cubemap),
 * and 4 spot shadow slots.  Slot assignment is driven by CPU-side
 * light-to-slot maps written into the uniform buffer.
 *
 * Because WGSL cannot pass texture handles as function parameters,
 * each slot gets its own sampling function, and a dispatch function
 * selects the correct slot via a switch statement.
 */
export declare const SHADOW_FRAGMENT_WGSL: string;
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