import { ChatStorageError } from "./chat-storage.js";
import type { ChatListOptions, ChatMessage, ChatScope, ChatThread } from "./types/chat.js";
export declare function readChatThreads(workspaceRoot: string, filePath: string): Promise<ChatThread[]>;
export declare function readChatMessages(workspaceRoot: string, filePath: string): Promise<ChatMessage[]>;
export declare function isExactScope(expected: ChatScope, actual: ChatScope): boolean;
export declare function latestById<T extends {
    id: string;
}>(records: T[]): T[];
export declare function applyLimit<T>(items: T[], options: ChatListOptions, scope: ChatScope, threadId?: string): {
    items: T[];
    nextCursor?: string;
};
export declare function notFound(field: string, message: string): ChatStorageError;