export interface WorkspaceLockInfo {
    runId: string;
    acquiredAt: number;
    pid?: number;
    hostname?: string;
}
export interface WorkspaceLockSignalOptions {
    exitOnSignal?: boolean;
    onSignal?: (signal: NodeJS.Signals) => void | Promise<void>;
    exitCodeForSignal?: (signal: NodeJS.Signals) => number;
}
export declare class WorkspaceLock {
    private workspaceRoot;
    private runId;
    private maxAgeMs;
    private lockPath;
    private acquired;
    private readonly hostname;
    constructor(workspaceRoot: string, runId: string, maxAgeMs?: number);
    private readLock;
    private isStale;
    private isSameHost;
    private isProcessAlive;
    private hasTerminalRunLog;
    private shouldClearExisting;
    acquire(): Promise<void>;
    release(): Promise<void>;
    registerSignalHandlers(options?: WorkspaceLockSignalOptions): () => void;
}
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