presto-parser/src/main/java/io/prestosql/sql/parser/AstBuilder.java/AstBuilder/visitBinaryLiteral
class AstBuilder:    @Override
    public Node visitBinaryLiteral(SqlBaseParser.BinaryLiteralContext context)
    {
        String raw = context.BINARY_LITERAL().getText();
        return new BinaryLiteral(getLocation(context), unquote(raw.substring(1)));
    }