/**
 * Copyright (c) 2026 Tran Huu Canh (0xTh3OKrypt) <tranhuucanh39@gmail.com>
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import Database from "better-sqlite3";
export interface Memory {
    id: number;
    content: string;
    embedding: Buffer | null;
    scope: "global" | "repo";
    repo_id: string | null;
    tags: string[] | null;
    created_at: string;
    updated_at: string;
}
export interface MemorySearchResult extends Memory {
    rank: number;
}
export declare function isVecEnabled(): boolean;
export declare function splitIntoChunks(text: string): string[];
export declare function getDb(): Database.Database;
export declare function reinitializeVecIndex(): void;
export declare function insertMemory(content: string, scope: "global" | "repo", repoId: string | null, tags: string[] | null, chunkEmbeddings?: Buffer[]): number;
export declare function updateMemory(id: number, content: string, tags?: string[] | null, chunkEmbeddings?: Buffer[]): boolean;
export declare function deleteMemory(id: number): boolean;
export declare function listMemories(scope: "global" | "repo" | undefined, repoId: string | null, limit?: number): Memory[];
export declare function searchByKeyword(query: string, scope: "global" | "repo" | "all" | undefined, repoId: string | null, limit?: number): MemorySearchResult[];
export interface VecSearchResult {
    id: number;
    distance: number;
}
export declare function vectorSearch(queryEmbedding: Buffer, scope: "global" | "repo" | "all" | undefined, repoId: string | null, limit: number): VecSearchResult[];
export declare function getMemoryById(id: number): Memory | undefined;
export interface MemoryTextRow {
    id: number;
    content: string;
}
export declare function getAllMemoryTexts(): MemoryTextRow[];
export declare function updateChunksForMemory(id: number, chunkEmbeddings: Buffer[]): void;
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