Const Experimentalhead refers to where you are right now; the current reference at a
given time.The revision can be a full hash value (see
glossary),
of the recorded change to a ref within a repository pointing to a
commit commit object. It does
not necessarily have to be a hash; it can simply define a revision
number
which is an integer that is monotonically increasing. In cases where
it is identical to the ref.head.name, it SHOULD still be included.
It is up to the implementer to decide which value to set as the
revision based on the VCS system and situational context.
This attribute is experimental and is subject to breaking changes in minor releases of @opentelemetry/semantic-conventions.
The revision, literally revised version, The revision most often refers to a commit object in Git, or a revision number in SVN.