@Override
        public int hashCode() {
            final int prime = 31;
            int result = prime + this.id.hashCode();
            result = prime * result + this.type().hashCode();
            return result;
        }
@return the type of the {@code AssignedTask}
streams/src/main/java/org/apache/kafka/streams/processor/assignment/KafkaStreamsAssignment.java