import type { Message } from '../../types/api';
/**
 * Determines whether the Branch/Copy turn footer should render for an
 * assistant message group.
 *
 * The footer (and its reserved vertical space) must appear at most once per
 * assistant turn. A single visual turn can contain multiple assistant messages
 * after auto-compaction, backend retries, or automatic/user retry. To avoid
 * duplicate footer gaps, the footer renders only on the last assistant message
 * of a contiguous assistant run.
 *
 * @param message - The assistant message being rendered.
 * @param sessionId - The active session id, if any.
 * @param hasNextAssistantMessage - Whether the next message is also an
 *   assistant message in the same turn.
 */
export declare function shouldRenderTurnFooter(message: Pick<Message, 'status'>, sessionId: string | undefined, hasNextAssistantMessage: boolean): boolean;
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