import type { Int255 } from "./int255.js";
import type { Real01 } from "./real01.js";
import type { Real255 } from "./real255.js";
/**
 * Convert a {@link Real255} or {@link Int255} to a {@link Real01}.
 */
export declare function real01From255(value: number | Int255 | Real255): Real01;
export declare function real01From255(value: undefined): undefined;
export declare function real01From255(value: number | Int255 | Real255 | undefined): Real01 | undefined;
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