/** True when a statelog exists and is non-empty. ENOENT is "no"; anything
 *  else is a real error. */
export declare function hasStatelog(statelogPath: string): boolean;
export type AgentRunPaths = {
    agentDir: string;
    statelogPath: string;
    workdirPath: string;
};
/** The one place a run's STAGING layout is written down: the statelog under
 *  agent/, the agent's own working directory beside it. The suite folds both
 *  into the run directory when the run finishes. */
export declare function agentRunPaths(runDir: string): AgentRunPaths;