from: spectator-ext-log4j1
to: spectator-api
evidence:
 - file: "spectator-ext-log4j1/src/main/java/com/netflix/spectator/log4j/LevelTag.java"
   contains "import com.netflix.spectator.api.Tag;"

from: spectator-ext-log4j1
to: spectator-api
evidence:
 - file: "spectator-ext-log4j1/src/main/java/com/netflix/spectator/log4j/SpectatorAppender.java"
   contains "import com.netflix.spectator.api.Id;"