import type { Message } from '../../types/api';
import type { TodoSnapshot } from '../../stores/todoStore';
export declare const TODO_SNAPSHOT_SCAN_MESSAGE_LIMIT = 12;
export declare function findLatestTodoSnapshot(messages: Message[], queuedMessageIds: Set<string>): Omit<TodoSnapshot, 'updatedAt'> | null;
export declare function getTodoSnapshotScanWindow(messages: Message[]): Message[];
export declare function filterThreadMessages(messages: Message[], currentMessageId: string | null, queueLength: number, queuedMessageIds: Set<string>): Message[];
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