/**
 * Thin, injectable wrapper around spawnSync. Everything that shells out
 * (git plumbing, test re-runs) accepts an ExecFn so tests can substitute a
 * fake instead of depending on the host machine.
 */
export interface ExecResult {
    readonly status: number | null;
    readonly stdout: string;
    readonly stderr: string;
}
export type ExecFn = (cmd: string, args: readonly string[], options?: ExecOptions) => ExecResult;
export interface ExecOptions {
    readonly cwd?: string;
    readonly env?: Readonly<Record<string, string>>;
    readonly timeoutMs?: number;
    readonly input?: string;
}
export declare const realExec: ExecFn;
/** Run a full shell command line (used only for re-running claimed test commands). */
export declare const realShellExec: ExecFn;