presto-parser/src/main/java/io/prestosql/sql/parser/ErrorHandler.java/ErrorHandler/ErrorHandler
class ErrorHandler:    private ErrorHandler(Map<Integer, String> specialRules, Map<Integer, String> specialTokens, Set<Integer> ignoredRules)
    {
        this.specialRules = new HashMap<>(specialRules);
        this.specialTokens = specialTokens;
        this.ignoredRules = new HashSet<>(ignoredRules);
    }