/**
 * WGSL shaders for Screen-Space Ambient Occlusion.
 * SSAO pass: hemisphere sampling with depth-reconstructed normals.
 * Blur pass: bilateral blur to smooth the noisy AO result.
 */
export declare const SSAO_KERNEL_SIZE = 16;
export declare const SSAO_SHADER: string;
export declare const SSAO_BLUR_SHADER: string;
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