import { type LockRecord } from "../domain/run-lock.ts";
/** Thrown when another live run already holds this issue's lock. */
export declare class RunLockedError extends Error {
    readonly issue: string;
    readonly owner: LockRecord;
    constructor(issue: string, owner: LockRecord);
}
/** A handle that releases the lock it acquired. release() is best-effort and idempotent. */
export interface RunLockHandle {
    release(): Promise<void>;
}
/**
 * Acquire the per-issue lock, reclaiming a stale (dead-owner) lock if present.
 * Throws RunLockedError when a live run already holds it — the caller should
 * exit non-zero WITHOUT touching the worktree. Returns a handle whose release()
 * removes the lockfile (call on completion, halt, or crash).
 */
export declare function acquireRunLock(diabloDir: string, issue: string, now?: () => Date): Promise<RunLockHandle>;