https://github.com/package-url/purl-spec/blob/3e27e9249d4bf6e9396ab99f4f8374787e430b20/tests/types/conan-test.json#L143 This conan PURL should not be invalid? https://github.com/package-url/purl-spec/blob/main/types-doc/conan-definition.md There is nothing in conan definition that prohibits a Conan PURL with channel only qualifier
