import type { OptimizerFactory } from "./optimizer.js";
/**
 * Load a user-authored TypeScript optimizer module and return its factory.
 * Transpiles with esbuild (leaving `agency-lang` external so the user's
 * `import { BaseOptimizer } from "agency-lang/optimize"` resolves to the
 * installed package), writes the bundle next to the source so Node finds the
 * project's node_modules, and returns the default-exported factory.
 */
export declare function loadOptimizerModule(filePath: string): Promise<OptimizerFactory>;