[Demonstration 1]

[Buggy Method]
private static Map<String, String> typeByReferenceProperty() {
    Map<String, String> result = new HashMap<>();
    result.put("pipeline", "exportPipeline");
    result.put("transformation", "exportTransformation");
    result.put(CI_STORE, STORE);
    result.put(MANAGED_ITEM_STORE, STORE);
    result.put("xdbStore", STORE);
    return result;
}

[Buggy Hunk]
result.put("pipeline", "exportPipeline");

[Patch]
result.put("pipeline", EXPORT_PIPELINE);

[Demonstration 2]

[Buggy Method]
@Override
protected KindMatcher deserializeMatcher(String name) {
    Optional<? extends KindMatcher> matcher = ITEM.getRegistry().getMatcher(name);
    return matcher.isPresent() ? matcher.get() : null;
}

[Buggy Hunk]
Optional<? extends KindMatcher> matcher = ITEM.getRegistry().getMatcher(name);

[Patch]
Optional<? extends KindMatcher> matcher = registry.getMatcher(name);

[Demonstration 3]

[Buggy Method]
public Map<String, Map<String, String>> getProfile() {
    return null;
}

[Buggy Hunk]
public Map<String,Map<String,String>> getProfile() {

[Patch]
public Map<String,Test> getProfile() {