import type { BunPlugin } from 'bun';
/**
 * Paths under `dir` (absolute when `dir` is absolute) of every `.ts` file whose
 * source declares a `@controller`. Detection is a text match for `@controller(`
 * (not real parsing), so an occurrence inside a comment or string would also match.
 *
 * @param dir - directory scanned recursively (`.ts` files only)
 * @returns the matching paths under `dir` (absolute when `dir` is absolute), sorted lexicographically
 */
export declare function scanControllerFiles(dir: string): Promise<string[]>;
/** Options for {@link turnoverPlugin}. */
export interface TurnoverPluginOptions {
    /** Directory to scan for controllers (default: the first entrypoint's directory). */
    dir?: string;
}
/**
 * A `Bun.build` plugin that makes auto-discovery survive bundling:
 *
 * ```ts
 * import { turnoverPlugin } from "turnover/bundler";
 *
 * await Bun.build({
 *   entrypoints: ["./src/server.ts"],
 *   outdir: "./dist",
 *   target: "bun",
 *   plugins: [turnoverPlugin()],
 * });
 * ```
 *
 * It scans for `@controller` files at build time and injects a static import of
 * each into the entrypoint(s), so they're bundled and self-register — the same
 * set the runtime scan would have found. Your entry keeps calling `createApp()`
 * with no arguments; nothing in the app changes.
 *
 * @param options - plugin options (e.g. the `dir` to scan for controllers)
 * @returns a `Bun.build` plugin that injects discovered controller imports
 */
export declare function turnoverPlugin(options?: TurnoverPluginOptions): BunPlugin;
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