import type { SessionStatus } from "@opengeni/sdk";
/** Tab-title marker for an open session that settled while the tab was in the background. */
export declare const ATTENTION_TITLE_PREFIX = "\u25CF ";
/** True when a working session settles into a state the user should look at. */
export declare function isAttentionTransition(previous: SessionStatus | null, next: SessionStatus | null): boolean;
export declare function withAttentionPrefix(title: string): string;
export declare function withoutAttentionPrefix(title: string): string;
/**
 * Marks the document title when the open session finishes, fails, or needs
 * input while the tab is hidden or unfocused, and clears the mark as soon as
 * the tab is back in front. Presentation only: it never reads or writes
 * session state.
 */
export declare function useBackgroundAttentionTitle(sessionId: string, status: SessionStatus | null): void;