export interface StageCheckCommand {
    name: string;
    command: string;
    args?: string[];
    cwd?: string;
    timeoutMs?: number | null;
}
export interface StageCheckCommandResult {
    name: string;
    command: string;
    args: string[];
    ok: boolean;
    exitCode: number | null;
    signal: NodeJS.Signals | null;
    durationMs: number;
    timedOut: boolean;
    stdout: string;
    stderr: string;
    summary: string;
}
export interface StageCheckResult {
    ok: boolean;
    targetFile?: string;
    checks: StageCheckCommandResult[];
    summary: string;
}
export type StageCheckRunner = (command: StageCheckCommand, options: {
    cwd: string;
    timeoutMs: number | null;
    maxOutputChars: number;
    signal?: AbortSignal;
}) => Promise<StageCheckCommandResult>;
export interface StageCheckOptions {
    /** Optional per-step harness_config id: when set, stageCheck resolves that config's stageCheckDefaults (package cwd/target) instead of the run-level default. Consumed by the workflow layer; not forwarded to runStageCheck. */
    harness_config?: string;
    /** Optional per-step harness_type; used with `harness_config` to detect a type/runtime mismatch (mirror agent()'s per-call accept conditions). Not forwarded to runStageCheck. */
    harness_type?: string;
    cwd?: string;
    targetFile?: string;
    commands?: StageCheckCommand[];
    timeoutMs?: number | null;
    maxOutputChars?: number;
    includeDefaultChecks?: boolean;
    signal?: AbortSignal;
    runner?: StageCheckRunner;
}
/**
 * Host-side mechanical verification. Runs native compiler/linter commands without
 * spending an LLM verifier call. By default it detects TypeScript and Biome.
 */
export declare function runStageCheck(options?: StageCheckOptions): Promise<StageCheckResult>;
export declare function detectDefaultStageCheckCommands(cwd: string, targetFile?: string): StageCheckCommand[];
export declare function renderStageCheckFeedback(result: StageCheckResult): string;