type ResolveColorToDisplayHexOptions = {
    preserveAlpha?: boolean;
};
/**
 * Converts a document color value into a picker-safe hex string for previews and inputs.
 * Returns `undefined` when the color depends on missing CSS vars in the current container.
 */
export declare const resolveColorToDisplayHex: (color: string | undefined, containerElement?: HTMLElement | null, { preserveAlpha }?: ResolveColorToDisplayHexOptions) => string | undefined;
export {};
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