object StatementGenerator {
 // Auxilirary function to create the class as the inlined main maro function needs a single expression.
 private def insertCallImplementation[A <: Tuple: Type](
 tableName: Expr[String],
 columnMapping: Expr[A]
 )(using
 Quotes
 ): Expr[PreparedStatement[CallArgs[A]]] =
 new StatementGenerator()
 .insertPreparedStatementImpl[A](tableName, columnMapping)
 inline def insertPreparedStatement[A <: Tuple](inline tableName: String)(
 inline columnMapping: A
 ): PreparedStatement[CallArgs[A]] = ${
 insertCallImplementation[A]('tableName, 'columnMapping)
 }
 @experimental
 private def selectCallImplementation[A <: Tuple : Type, B<: Tuple: Type](
 tableName: Expr[String],
 columnMapping: Expr[A],
 filterMapping: Expr[B]
 )(using
 Quotes
 ): Expr[PreparedStatementFiltered[CallArgs[A],CallArgs[B]]] =
 new StatementGenerator()
 .selectPreparedStatementImpl[A,B](tableName, columnMapping, filterMapping)
 @experimental
 inline def selectPreparedStatement[A <: Tuple, B<:Tuple](inline tableName: String)(
 inline columnMapping: A)(inline filterMapping: B
 ): PreparedStatementFiltered[CallArgs[A], CallArgs[B]] = ${
 selectCallImplementation[A, B]('tableName, 'columnMapping, 'filterMapping)
 }
}
 
 val cl = '{
 new PreparedStatementFiltered[CallArgs[A], CallArgs[B]](UnsafeStatementFiltered($sql)) {
 def go: String = "hello"
 override def retrieve(rs: java.sql.ResultSet): Tuple = ${ combinedRsGet }.apply(rs)
 override def retrieveJson(rs: java.sql.ResultSet): String = ${ combinedRsJsonGet }.apply(rs)
 }
 }.asExprOf[PreparedStatementFiltered[CallArgs[A], CallArgs[B]]]