import type { PostgreSqlSqlBuilder } from "../sqlBuilders/PostgreSqlSqlBuilder";
import type { QueryRunner } from "../queryRunners/QueryRunner";
import type { PostgreSql, TypeSafeDB, TypeUnsafeDB } from "../databases";
import { AbstractAdvancedConnection } from "./AbstractAdvancedConnection";
export declare abstract class AbstractPostgreSqlConnection<DB extends PostgreSql & (TypeUnsafeDB | TypeSafeDB)> extends AbstractAdvancedConnection<DB> {
    constructor(queryRunner: QueryRunner, sqlBuilder: PostgreSqlSqlBuilder);
    protected transformPlaceholder(placeholder: string, type: string, forceTypeCast: boolean, valueSentToDB: unknown): string;
}