/**
 * The build-only half of `litPlugin()`: the plugins a production build needs
 * (CSS import queries, Lightning CSS for `css` literals, the timeline stub)
 * and nothing else. `litPlugin()` already defers its dev-only code to the dev
 * server; this is for a build config that shouldn't depend on even the
 * options layer and the lazy shells:
 *
 * ```ts
 * plugins: [command === 'serve' ? litPlugin() : litCss()]
 * ```
 *
 * Nothing reachable from this module may import dev-only code;
 * `entry-imports_test.ts` walks its import graph to keep it that way.
 *
 * @module
 */
import { type CssSheetBuild } from './lib/css-sheet-build.js';
import type { Plugin } from 'vite';
export type { CssSheetBuild } from './lib/css-sheet-build.js';
/** Options for {@link litCss}; the build-relevant subset of `litPlugin()`'s. */
export interface LitCssOptions {
    /** See `LitPluginOptions.cssSheetBuild`. */
    cssSheetBuild?: CssSheetBuild;
}
/**
 * Build-only plugin set. Resolves `cssSheetBuild` the way `litPlugin()` does:
 * the option, then `LIT_PLUGIN_CSS_SHEET_BUILD` from env or `.env` files, then
 * `'auto'`.
 */
export declare const litCss: (options?: LitCssOptions) => Plugin[];
export default litCss;
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