HTSGET_CONFIG is used at run time in 5 crates (of which 1 optionally).

Depender (with downloads and own rev deps) HTSGET_CONFIG version
htsget-actix ^0.8.1
htsget-lambda ^0.8.1
3 htsget-search ^0.8.1
2 htsget-http ^0.8.1
4 htsget-test optional ^0.8.1