{"source":"semconv","version":"1.44.0","attribute":{"id":"vcs.ref.base.type","type":"enum","enumMembers":[{"id":"branch","value":"branch","stability":"release_candidate","brief":"[branch](https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefbranchabranch)"},{"id":"tag","value":"tag","stability":"release_candidate","brief":"[tag](https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddeftagatag)"}],"stability":"release_candidate","brief":"The type of the [reference](https://git-scm.com/docs/gitglossary#def_ref) in the repository.","note":"`base` refers to the starting point of a change. For example, `main`\nwould be the base reference of type branch if you've created a new\nreference of type branch from it and created new commits.","examples":["branch","tag"],"namespace":"vcs","definedIn":"model/vcs/registry.yaml","usedBy":[{"groupId":"metric.vcs.ref.lines_delta","groupType":"metric","signalName":"vcs.ref.lines_delta","requirementLevel":"required"},{"groupId":"metric.vcs.ref.revisions_delta","groupType":"metric","signalName":"vcs.ref.revisions_delta","requirementLevel":"required"}]},"history":[{"version":"1.30.0","publishedAt":"2025-01-24T19:11:42Z","kind":"first-seen","detail":"Already present at v1.30.0, the oldest release tracked here (development)."},{"version":"1.43.0","publishedAt":"2026-07-03T20:14:31Z","kind":"stability-changed","detail":"Promoted to release_candidate.","severity":"notable"}],"replaces":[]}