presto-parser/src/main/java/io/prestosql/sql/SqlFormatter.java/SqlFormatter/visitCreateRole
class SqlFormatter:        @Override
        protected Void visitCreateRole(CreateRole node, Integer context)
        {
            builder.append("CREATE ROLE ").append(node.getName());
            if (node.getGrantor().isPresent()) {
                builder.append(" WITH ADMIN ").append(formatGrantor(node.getGrantor().get()));
            }
            return null;
        }