@Override
    public void enterAssignmentValuesList(ClickHouseParser.AssignmentValuesListContext ctx) {
        assignValuesListStartPosition = ctx.getStart().getStartIndex();
        assignValuesListStopPosition = ctx.getStop().getStopIndex();
    }
Parser listener that collects information for prepared statement.
jdbc-v2/src/main/java/com/clickhouse/jdbc/internal/ParsedPreparedStatement.java