/**
 * Resolve the install ID, lazy-creating the file on first call.
 * Returns the stable ID used for ingest headers.
 */
export declare function resolveInstallId(): string;
/**
 * True when this call site is the first to observe this install. The caller
 * is responsible for emitting `mcp.installed`; this function marks the flag
 * so the event does not fire again on subsequent runs.
 */
export declare function claimFirstRun(): boolean;
/**
 * Returns true the first time it's called per install. Used to inject the
 * one-shot privacyPolicy note into a tool response. Subsequent calls
 * (across MCP process restarts) return false. Persists by writing
 * `privacyNoticeShownAt` to `~/.extentos/install.json`.
 *
 * Distinct from `claimFirstRun` (which gates the `mcp.installed` telemetry
 * event) — that flag fires inside the MCP boot sequence before any tool
 * call happens, so it's already consumed by the time we'd want to inject
 * the user-visible notice.
 */
export declare function claimFirstPrivacyNotice(): boolean;
/**
 * Millis since the install file was first created. Used for `account.linked`
 * as `timeSinceInstallMs`. Returns null if the install file is missing
 * (shouldn't happen, but the telemetry should not crash).
 */
export declare function msSinceInstall(): number | null;
//# sourceMappingURL=installRegistry.d.ts.map