return nil, errors.New("empty wildcard")
			}
			if !isValidWildcardName(name) {
				return nil, fmt.Errorf("bad wildcard name %q", name)
			}
			if seenNames[name] {
				return nil, fmt.Errorf("duplicate wildcard name %q", name)
			}
			seenNames[name] = true
			p.segments = append(p.segments, segment{s: name, wild: true, multi: multi})
		}
	}
	return p, nil
}

		// item in this list nevertheless constitutes user error.
		setNames := []string{}
		for _, s := range sets {
			setNames = append(setNames, s.Name)
		}
		utilruntime.HandleError(
			fmt.Errorf(
				"user error: more than one StatefulSet is selecting pods with labels: %+v. Sets: %v",
				pod.Labels, setNames))
	}
	return sets
}

        }

        void setOutputJarEntryTimestamp(int timestamp) {
            executer.withArgument("-D${projectName}Timestamp=${timestamp}")
        }

        void setNames(List<String> names) {
            executer.withArgument("-D${projectName}Names=${names.join(',')}")
        }

        void produceNothing() {
            executer.withArgument("-D${projectName}ProduceNothing")