/** Precomputed alpha blending table for 9-step opacity. */
export declare class TranslucencyTable {
    /**
     * Blends two HSL16 colors by a step value 0-8.
     * step=0 is fully transparent (returns dst), step=8 is fully opaque (returns src).
     * Hue interpolation uses shortest-arc blending.
     */
    blend(srcHsl16: number, dstHsl16: number, step: number): number;
}
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