@Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            Created<?> created1 = (Created<?>) o;
            return Objects.equals(created, created1.created) &&
                    Objects.equals(result, created1.result);
        }
Set the level for a logging namespace (i.e., a specific logger and all of its children) for all workers
in the cluster. Changes should only last over the lifetime of workers, and should be wiped if/when
workers are restarted.
@param namespace the logging namespace to alter; may not be null
@param level the new level to set for the namespace; may not be null
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/Herder.java