import { RunResult } from '../../electric/adapter.js';
import { QueryBuilder } from 'squel';
import * as z from 'zod';
import { Row, Statement } from '../../util/index.js';
import { Fields } from '../model/schema.js';
/**
 * Interface that must be implemented by DB implementations.
 * The `run` and `query` methods are callback-based
 * because the `transactionalDB` is implemented atop
 * Electric's DatabaseAdapter which supports transactions
 * but requires a callback-based style because
 * some underlying drivers do not support promises.
 */
export interface DB {
    run(statement: QueryBuilder, successCallback?: (tx: DB, res: RunResult) => void, errorCallback?: (error: any) => void): void;
    query<Z>(statement: QueryBuilder, schema: z.ZodType<Z>, successCallback: (tx: DB, res: Z[]) => void, errorCallback?: (error: any) => void): void;
    raw(sql: Statement, successCallback: (tx: DB, res: Row[]) => void, errorCallback?: (error: any) => void): void;
    /**
     * Get instance with provided table schema for field
     * transformation and validation purposes
     */
    withTableSchema(fields: Fields): DB;
}