import type { HarnessRunner } from '@nexus-cortex/core';
import type { ExperimentTarget, PreparedArm, PrepareArmOptions } from './harnessProcess.js';
export interface CommandRunnerOptions {
    /** Working directory the command runs in (e.g. the candidate worktree). */
    cwd: string;
    /** Command template, e.g. `./eval.sh {prompt}` or `python eval.py --case {prompt}`.
     *  If it contains no `{prompt}`/`{case}` placeholder, the prompt is appended as a
     *  single quoted argument. */
    template: string;
    /** Exit codes whose stdout is accepted for grading. Default `[0]`. */
    acceptExitCodes?: number[];
    /** Per-run hard timeout in ms. Default 120000. */
    timeoutMs?: number;
    /** Progress/diagnostic sink (stderr + nonzero-exit notices). */
    log?: (message: string) => void;
}
export declare function commandRunner(opts: CommandRunnerOptions): HarnessRunner;
/**
 * CommandTarget — the non-cortex `ExperimentTarget`. An optional one-shot build command,
 * then grade a shell command per task via `commandRunner`. Nothing to serve, nothing to
 * tear down — so `cortex autoresearch experiment` can run base-vs-candidate on any project
 * (a library, CLI, test suite, backtest) through the same statistical gate as the harness.
 */
export declare class CommandTarget implements ExperimentTarget {
    private readonly cfg;
    readonly kind = "command";
    constructor(cfg: {
        template: string;
        buildCmd?: string;
        acceptExitCodes?: number[];
        timeoutMs?: number;
    });
    prepare(dir: string, opts: PrepareArmOptions): Promise<PreparedArm>;
}
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