export declare const dbKey = "__db";
interface DBRecord {
    format(): Record<string, unknown>;
    [key: string]: unknown;
}
export default class DB {
    static instance: DB;
    record: DBRecord;
    constructor();
    getSchema(): Promise<unknown>;
    getCollectionKeys(): string[];
    getDirPath(): string;
    validateMode(): Promise<void>;
    init(): Promise<void>;
    create(): Promise<Record<string, unknown>>;
    save(): Promise<void>;
    getRecord(): Promise<DBRecord>;
    getRecordFromFile(): Promise<DBRecord>;
    getRecordFromDirectory(): Promise<DBRecord>;
}
export {};