import { CommonLogger, ObjectWithId } from '@naturalcycles/js-lib';
import { DBSaveBatchOperation } from '../../db.model';
import type { DBQueryOrder } from '../../query/dbQuery';
export interface FileDBPersistencePlugin {
    ping: () => Promise<void>;
    getTables: () => Promise<string[]>;
    loadFile: <ROW extends ObjectWithId>(table: string) => Promise<ROW[]>;
    saveFiles: (ops: DBSaveBatchOperation<any>[]) => Promise<void>;
}
export interface FileDBCfg {
    plugin: FileDBPersistencePlugin;
    /**
     * @default undefined, which means "insertion order"
     */
    sortOnSave?: DBQueryOrder<any>;
    /**
     * @default true
     * If true - will run `sortObjectDeep()` on each object to achieve deterministic sort
     */
    sortObjects?: boolean;
    /**
     * Defaults to `console`.
     */
    logger?: CommonLogger;
    /**
     * @default false
     */
    logStarted?: boolean;
    /**
     * @default true
     */
    logFinished?: boolean;
}