public String serialize(JmespathExpression expression) {
        StringBuilder builder = new StringBuilder();
        Visitor visitor = new Visitor(builder);
        expression.accept(visitor);
        return builder.toString();
    }
Serialize the given JMESPath expression to a string.

@param expression JMESPath expression to serialize.
@return Returns the serialized expression.
smithy-jmespath/src/main/java/software/amazon/smithy/jmespath/ExpressionSerializer.java