export interface MachineIdentity {
    /** Stable, OS-native hardware/OS id (hashed). Same value across networks + reboots. */
    machineId: string;
    /** Raw OS user name. */
    user: string;
    /** Normalized hostname (lowercased, `.local`/domain suffix stripped). */
    hostname: string;
    /** Human display identity, e.g. `boazl@boaz-pc`. Normalized for dedupe. */
    developerName: string;
    /** node platform: win32 | darwin | linux | ... */
    platform: NodeJS.Platform;
    /** Friendly OS label, e.g. `Windows 11`, `macOS 14`, `Ubuntu 22.04`. */
    osFriendly: string;
}
/** Normalize a hostname: strip `.local`/domain suffix, lowercase. */
export declare function normalizeHostname(raw: string): string;
/**
 * Compute (and cache) the stable machine identity. The raw OS id is hashed
 * (SHA-256, 32 hex chars) so we never transmit the raw hardware UUID.
 */
export declare function getMachineIdentity(): MachineIdentity;
/** Suggested per-machine Shield name, e.g. `boazl@boaz-pc · Windows 11`. */
export declare function suggestedShieldName(identity?: MachineIdentity): string;