package spoon.test.lambda.testclasses; import java.sql.ResultSet; import java.sql.SQLException; public class Tacos { public void m(String id) { queryForObject("SELECT * FROM persons WHERE id = " + id, (rs, i) ->rs.getString("FIRST_NAME")); } public <T> T queryForObject(String sql, RowMapper<T> rowMapper) { return null; } public interface RowMapper<T> { T mapRow(ResultSet var1, int var2) throws SQLException; } }