import type { Knex } from 'knex';
import { IndexManager } from './index-manager/index-manager.js';
import type { Transaction } from './knex.types.js';
import type { DbConfig } from './types.js';
export declare class ParadeDb {
    readonly dbId: string;
    readonly index: IndexManager;
    readonly dbh: Knex;
    protected readonly dbConfig: DbConfig;
    constructor(dbId: string, dbConfig: Partial<DbConfig>);
    /**
     * Query builder Search
     * @link https://knexjs.org/guide/query-builder.html
     */
    search<T extends object = object>(tableName: string): Knex.QueryBuilder<T, T[]>;
    /**
     * Get the version of pg_search extension
     * @returns version string eg. "0.13.0"
     */
    getSearchVersion(): Promise<string>;
    getCurrentTime(): Promise<Date>;
    /**
     *
     * @param zone available `SELECT pg_timezone_names()`
     */
    setTimeZone(zone: string): Promise<string>;
    startTransaction(): Promise<Transaction>;
    execute<T = unknown>(sql: string, params: unknown[], trx: Transaction | undefined | null): Promise<T>;
    /**
     * Close the db connection
     */
    destroy(): Promise<void>;
}
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