import type { OrbTheme } from './types.js';
/**
 * Resolves `auto` to the browser colour-scheme preference.
 *
 * @param theme Requested theme.
 * @returns A concrete `dark` or `light` renderer theme.
 */
export declare function resolveTheme(theme: OrbTheme): Exclude<OrbTheme, 'auto'>;
/** @returns Whether the browser currently requests reduced motion. */
export declare function prefersReducedMotion(): boolean;
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