/**
 * Which of the ids Core announces the widget is allowed to believe.
 *
 * Core emits two metadata frames per turn. The first carries the conversation's real session id.
 * The second is the raw prediction result, and its `sessionId` is the flow's MEMORY key — on the
 * external path that key is literally the chatId, not a session row id. Adopting the echo points
 * the widget at a session nobody has, which empties the header title, deselects the sidebar row and
 * rebuilds artifact access against a conversation that does not exist.
 */
export declare const shouldAdoptSessionId: (announced: string | undefined | null, chatId: string, current: string | undefined) => boolean;