public static void setReceiveSide(Object crumb) {
    if (ENABLED) {
      setBreadcrumb(Thread.currentThread(), CrumbType.RECEIVE_SIDE, crumb);
    }
  }
set the "sender" breadcrumb for a message while it's being processed
geode-core/src/main/java/org/apache/geode/internal/util/Breadcrumbs.java