private JmespathExpression parseComparator(ComparatorType comparatorType, JmespathExpression lhs) {
        int line = iterator.line();
        int column = iterator.column();
        JmespathExpression rhs = expression(TokenType.EQUAL.lbp);
        return new ComparatorExpression(comparatorType, lhs, rhs, line, column);
    }
Tokens that can follow led tokens.
smithy-jmespath/src/main/java/software/amazon/smithy/jmespath/Parser.java