/**
 * Unix-domain socket path-budget primitives (issue #209 cleanup).
 *
 * The kernel caps a Unix socket path at `sun_path` bytes (108 on Linux including
 * the NUL terminator, 104 on macOS). 103 usable bytes is the safe cross-platform
 * budget Dreamux enforces. These are pure functions with no IO and no host
 * path-layout knowledge: a provider package that allocates its own rendezvous
 * socket (e.g. the Codex app-server socket) uses them to pick a candidate
 * directory whose full path fits, while Dreamux core uses the same primitives so
 * the budget never drifts between the two.
 */
/** Safe cross-platform `sun_path` byte budget for a Unix-domain socket path. */
export declare const DREAMUX_UNIX_SOCKET_PATH_MAX_BYTES = 103;
/** Whether `path` fits the Unix-domain socket `sun_path` budget. */
export declare function unixSocketPathFitsBudget(path: string): boolean;
/**
 * Return `path` if it fits the socket budget, else throw a fail-loud error
 * naming `label`, the byte count, and the offending path.
 */
export declare function assertUnixSocketPathBudget(path: string, label: string): string;
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