import type { StylesheetLoader } from './utils/sync-stylesheet.js';
export type NuiComponentTag = `nui-${string}`;
export type NuiStyleOverride = CSSStyleSheet | StylesheetLoader;
export type NuiStylesMap = Partial<Record<NuiComponentTag, string | NuiStyleOverride>>;
/**
 * Register custom component styles from CSS file paths or loaders.
 *
 * Call before importing components. Paths are resolved against `base`
 * (defaults to `document.baseURI`). For files in `src/`, pass
 * `import.meta.url` from your app entry as the second argument.
 *
 * @example
 * nucleifyStyles({
 *   'nui-button': './styles/nui-button.css',
 * }, import.meta.url);
 *
 * @example
 * nucleifyStyles({
 *   'nui-button': '/styles/nui-button.css',
 * });
 */
export declare function nucleifyStyles(styles: NuiStylesMap, base?: string | URL): void;
/** Bind path resolution to a module URL (usually `import.meta.url` from your config file). */
export declare function createNucleifyStyles(base: string | URL): (styles: NuiStylesMap) => void;
export declare function getComponentStyleOverride(tag: string): NuiStyleOverride | undefined;
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