export type ProcessRole = "plugin" | "daemon" | "platform-worker-claude" | "platform-worker-cursor" | "maintenance";
export declare const DEFAULT_WRITE_LOCK_ROLE: ProcessRole;
interface LockOwnerMetadata {
    pid: number;
    role: ProcessRole;
    hostname: string;
    acquiredAt: string;
    ownerId?: string;
}
export interface WriteLockHandle {
    lockPath: string;
    role: ProcessRole;
    waitDurationMs: number;
    reentrant: boolean;
    release: () => void;
}
export interface AcquireWriteLockOptions {
    role: ProcessRole;
    timeoutMs?: number;
    retryIntervalMs?: number;
    ownerId?: string;
    now?: () => number;
}
export declare class AdvisoryLockTimeoutError extends Error {
    readonly lockPath: string;
    readonly role: ProcessRole;
    readonly waitDurationMs: number;
    readonly owner: LockOwnerMetadata | null;
    constructor(params: {
        lockPath: string;
        role: ProcessRole;
        waitDurationMs: number;
        owner: LockOwnerMetadata | null;
    });
}
export declare function getAdvisoryWriteLockPath(dbPath: string): string;
export declare function acquireWriteLock(lockPath: string, options: AcquireWriteLockOptions): WriteLockHandle;
export declare function withWriteLock<T>(lockPath: string, options: AcquireWriteLockOptions, operation: () => T): T;
export {};
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