export type ClientStatusResult<T> = {
    state: "available";
    value: T;
} | {
    state: "unavailable";
    status?: number;
    stale?: boolean;
};
declare global {
    interface Window {
        __agentNativeSessionBootstrap?: Promise<ClientStatusResult<unknown>>;
    }
}
/**
 * One signed-in session answer serves the whole page load: the shell's
 * bootstrap read, analytics, and every `useSession` consumer share it for this
 * long. Focus and visibility do not expire it here; `use-session` decides when
 * a session must be re-read (logout, a peer tab's invalidation, a 401, a stale
 * answer). A signed-out answer keeps the short TTL, because signing in
 * elsewhere is exactly what the next focus should pick up.
 */
export declare const SESSION_RESULT_LIFETIME_MS = 30000;
export declare function invalidateClientStatusRequest(path: string): void;
/**
 * Drop a cached result without aborting a read already in flight, so callers
 * refreshing on the same event share that read instead of starting another.
 */
export declare function expireClientStatusResult(path: string): void;
export declare function invalidateClientStatusRequests(): void;
export declare function fetchAgentEngineStatus<T = unknown>(options?: {
    fresh?: boolean;
    url?: string;
    fetch?: typeof fetch;
    headers?: HeadersInit;
    credentials?: RequestCredentials;
}): Promise<ClientStatusResult<T>>;
export declare function fetchEnvironmentStatus<T = unknown>(): Promise<ClientStatusResult<T>>;
export declare function fetchBuilderStatus<T = unknown>(): Promise<ClientStatusResult<T>>;
export declare function fetchFileUploadStatus<T = unknown>(): Promise<ClientStatusResult<T>>;
export declare function fetchAuthSessionStatus<T = unknown>(): Promise<ClientStatusResult<T>>;