export interface GlobalSettings {
    /** Persistent test environment (boe_xxx / ppe_xxx) */
    ttEnv?: string;
    /** When true, skip the remote schema endpoint and use the bundled `schema/developer-plugin.yaml`. */
    useLocalSchema?: boolean;
    /** epoch ms of the last *successful* "already latest" version check — long TTL throttle. */
    lastLatestCheckAt?: number;
    /** epoch ms of the last *failed* version check (network error) — short negative-cache TTL. */
    lastLatestCheckFailedAt?: number;
}
export declare function loadSettings(): GlobalSettings;
export declare function saveSettings(update: Partial<GlobalSettings>): void;