declare const VERSION: string;
type RunStatus = "running" | "succeeded" | "failed" | "crashed";
interface RunState {
    status: RunStatus;
    pid: number;
    startedAt: number;
    endedAt?: number;
    toolVersion: string;
    argv: string[];
    lastPeakRssMb: number | null;
    lastStage: string | null;
    reason?: string;
}
declare function resolveStateDir(): string;
declare function stateFilePath(): string;
declare function loadRunState(): RunState | null;
declare function writeRunState(patch: Partial<RunState>): void;
declare function shouldSkipStaleWarning(prev: RunState): boolean;
declare function probablyOomRssMb(override?: number): number;
declare function shouldShowOomHint(prev: RunState): boolean;

export { type RunState, type RunStatus, VERSION, loadRunState, probablyOomRssMb, resolveStateDir, shouldShowOomHint, shouldSkipStaleWarning, stateFilePath, writeRunState };