koverage.lowCoverageThreshold: Coverage threshold considered too low. (Default: 50)
koverage.sufficientCoverageThreshold: Coverage threshold considered sufficient. (Default: 70)
=> lowCoverageThreshold < level < sufficientCoverageThreshold is rendered as Warn icon
The coverage files parsing is a mainly from https://github.com/ryanluker/vscode-coverage-gutters by ryanluker. Thanks to him for the amazing extension he built and the very useful code that helped me build this extensions. Until proper licencing is added to the copied code, this note shall remain. The files concerned by this note (Copied source with modifications or using snippets) :
Use the Visual Studio Market Place or Open-vsx.org.