Returns an instrument with one additional tag defined by the provided key and value pair.
Returns an instrument with one additional tag defined by the provided key and value pair.
Returns an instrument with one additional tag defined by the provided key and value pair.
Returns an instrument with additional tags from the provided TagSet.
Describes the tagging operations that can be performed on an metric or instrument instance. The tags on the returned instrument are the result of combining any existent tags on the instrument with the newly provided tags, overriding previous tags if needed.
Since metrics do not have tags themselves (only instruments do), the returned instruments of tagging operations on metrics only have the provided tags.