/** Publish this owner's currently-live owned CDP ports (idempotent; overwrites its file). */
export declare function publishOwnedCdpPorts(ownerId: string, ports: number[], dir?: string): void;
/** Remove this owner's published file (on graceful shutdown). */
export declare function unpublishOwnedCdpPorts(ownerId: string, dir?: string): void;
/** The union of all FRESH owners' published CDP ports — the cdp provider's exclude set. */
export declare function readOwnedCdpPorts(dir?: string, nowMs?: number): Set<number>;