import type { LibraryOptions, UserConfig } from 'vite';
/** Options for {@link createNodeLibraryBuildConfig}. */
export interface NodeLibraryBuildConfigOptions {
    readonly entry: LibraryOptions['entry'];
}
/** Options for {@link createBrowserLibraryBuildConfig}. */
export interface BrowserLibraryBuildConfigOptions {
    readonly entry: LibraryOptions['entry'];
}
/**
 * Vite build config for a Node.js library entry point: ESM-only, targets
 * `node22`, externalizes every bare specifier, and preserves one output
 * file per source module for `package.json#exports` deep imports.
 *
 * @example
 * ```ts
 * import { mergeConfig } from 'vite';
 * import { createNodeLibraryBuildConfig } from '@coryrylan/tools/vite';
 *
 * export default mergeConfig(
 *   createNodeLibraryBuildConfig({ entry: { index: 'src/index.ts' } }),
 *   { plugins: [] },
 * );
 * ```
 */
export declare function createNodeLibraryBuildConfig(options: NodeLibraryBuildConfigOptions): UserConfig;
/**
 * Vite build config for a browser library entry point. Same shape as
 * {@link createNodeLibraryBuildConfig} except it targets `esnext`, since the
 * consuming browser (or downstream bundler) declares its own baseline.
 */
export declare function createBrowserLibraryBuildConfig(options: BrowserLibraryBuildConfigOptions): UserConfig;