export interface Note {
    id: number;
    title: string;
    content: string;
    conversation_id: string;
    created_at: number;
    updated_at: number;
    color_hex?: string;
    section_id?: number;
    tags?: string[];
}
export interface NoteCreateDTO {
    title: string;
    content: string;
    conversation_id: string;
    color_hex?: string;
    section_id?: number;
    tags?: string[];
}
export interface NoteUpdateDTO {
    title?: string;
    content?: string;
    color_hex?: string;
    section_id?: number;
    tags?: string[];
}
export interface SearchParams {
    query?: string;
    tags?: string[];
    conversation?: string;
    color?: string;
    startDate?: number;
    page?: number;
    limit?: number;
    sort?: {
        field: string;
        direction: string;
    };
}
export interface SearchResult {
    notes: Note[];
    pagination: {
        total: number;
        page: number;
        limit: number;
        totalPages: number;
    };
}
export interface ArchiveResult {
    noteId?: number;
    archiveId: number;
    newNoteId?: number;
    status: 'archived' | 'restored';
}
export interface ArchivedNote {
    id: number;
    note_id: number;
    title: string;
    content: string;
    conversation_id: string;
    color_hex?: string;
    section_id?: number;
    created_at: number;
    updated_at: number;
    archived_at: number;
    archived_by?: string;
    restore_point: string;
    tags?: string[];
}
export interface RestorePoint {
    tags: string[];
}
export interface NoteService {
    createNote(data: NoteCreateDTO): Promise<Note>;
    updateNote(id: number, data: NoteUpdateDTO): Promise<Note>;
    deleteNote(id: number): Promise<void>;
    searchNotes(params: SearchParams): Promise<SearchResult>;
    archiveNotes(noteIds: number[], archivedBy?: string): Promise<ArchiveResult[]>;
    unarchiveNotes(archiveIds: number[]): Promise<ArchiveResult[]>;
    updateNoteColor(noteId: number, color: string): Promise<void>;
    updateNotesColorBulk(noteIds: number[], color: string): Promise<void>;
}
export interface McpResponse {
    content: Array<{
        type: string;
        text: string;
    }>;
    isError?: boolean;
}
export declare class AppError extends Error {
    statusCode: number;
    code?: string | undefined;
    constructor(statusCode: number, message: string, code?: string | undefined);
}
export interface TagResult {
    id: number;
    name: string;
}
export interface CountResult {
    count: number;
}