import type { SqliteSqlBuilder } from "../sqlBuilders/SqliteSqlBuilder";
import type { QueryRunner } from "../queryRunners/QueryRunner";
import type { Sqlite, TypeSafeDB, TypeUnsafeDB } from "../databases";
import type { SqliteDateTimeFormat, SqliteDateTimeFormatType } from "./SqliteConfiguration";
import { AbstractConnection } from "./AbstractConnection";
export declare abstract class AbstractSqliteConnection<DB extends Sqlite & (TypeUnsafeDB | TypeSafeDB)> extends AbstractConnection<DB> {
    protected uuidStrategy: 'string' | 'uuid-extension';
    constructor(queryRunner: QueryRunner, sqlBuilder: SqliteSqlBuilder);
    /**
     * The compatibility mode avoid to use the newer syntax introduces in the newer versions of sqlite
     *
     * The newer syntax are:
     * - Sqlite 3.30.0 (2019-10-04): Add support for the NULLS FIRST and NULLS LAST syntax in ORDER BY clauses.
     *   In the copatibility mode their are emulated
     * - Sqlite 3.35.0 (2021-03-12): Add support for the RETURNING clause on DELETE, INSERT, and UPDATE statements.
     *   In the compatibility mode last_insert_id() is used to get the last inserted id.
     *   When the compatibility mode is disabled the RETURNING clause on the insert statement is used.
     */
    protected compatibilityMode: boolean;
    protected getDateTimeFormat(_type: SqliteDateTimeFormatType): SqliteDateTimeFormat;
    protected treatUnexpectedIntegerDateTimeAsJulian: boolean;
    protected treatUnexpectedStringDateTimeAsUTC: boolean;
    protected unexpectedUnixDateTimeAreMilliseconds: boolean;
    protected transformValueFromDB(value: unknown, type: string): unknown;
    protected transformValueToDB(value: unknown, type: string): unknown;
}