Metrics.java

/// original

  @Metric(
      name = "baggage-update",
      tags = {@Tag(key = "result", value = "err")}
  )
  // Number of times baggage failed to write or update on spans
  public Counter baggageUpdateFailure;

/// new version

  @Metric(
      name = "baggage-update",
      tags = {
        @Tag(key = "state"),
        @Tag(key = "sampled"),
        @Tag(key = "group"),
        @Tag(key = "phase"),
        @Tag(key = "result", value = "err"),
      }
  )
  // Number of times baggage failed to write or update on spans
  public Counter baggageUpdateFailure;