No way to pass a literal ${...} (avoid activating the placeholder feature)

[timmc-edx]

I'd like to include a literal ${...} in my useragent string for... log4j reasons. :-) However, I can't find any way to include that text, since it turns into a cannot parse your ${...} replacements in requests. $$ and \$ didn't work. Is there a way to do it? If not, it would be great if one could be added.

[YesTrustMe]

I believe this extension is no longer being supported.