org.slf4j.event.SubstituteLoggingEvent -> nb7:
# {"id":"sourceFile","fileName":"SubstituteLoggingEvent.java"}
    org.slf4j.event.Level level -> a
      # {"id":"com.android.tools.r8.residualsignature","signature":"I"}
    org.slf4j.helpers.SubstituteLogger logger -> b
      # {"id":"com.android.tools.r8.residualsignature","signature":"Llb7;"}
