import { type CliContext } from "../io.ts";
/**
 * Minimal contract the dynamically-loaded frontier runner must satisfy.
 * Matches the public surface of `eval/frontier/runner.ts`'s `runFrontier`.
 * Kept structurally typed (rather than importing the real type) so the
 * CLI doesn't take a hard dependency on the eval harness — the runner
 * lives outside of `@routerlab/core`'s public surface.
 */
export interface FrontierRunnerModule {
    runFrontier: (opts: {
        tasks?: readonly string[];
        examplesPerTask?: number;
        quiet?: boolean;
    }) => Promise<unknown> | unknown;
}
/**
 * Entry point for the `eval ...` namespace. The first positional after
 * `eval` selects the sub-subcommand.
 */
export declare function runEval(ctx: CliContext): Promise<number>;
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