merged := &meshconfig.ProxyConfig{}
	for i := len(pcs) - 1; i >= 0; i-- {
		if pcs[i] == nil {
			continue
		}
		proxyConfigYaml, err := protomarshal.ToYAML(pcs[i])
		if err != nil {
			continue
		}
		mergedConfig, err := mesh.MergeProxyConfig(proxyConfigYaml, merged)
		if err == nil {
			continue
		}
		merged = mergedConfig
	}
	return merged
}

		1, 2,
	},
}

func TestMergeRuneSet(t *testing.T) {
	for ix, test := range runeMergeTests {
		merged, next := mergeRuneSets(&test.left, &test.right, test.leftPC, test.rightPC)
		if !slices.Equal(merged, test.merged) {
			t.Errorf("mergeRuneSet :%d (%v, %v) merged\n have\n%v\nwant\n%v", ix, test.left, test.right, merged, test.merged)
		}
		if !slices.Equal(next, test.next) {

    }


    /**
     * Adds an action to be called after content is loaded from existing file but before gradle build information is merged.
     * <p>
     * This is advanced api that gives access to internal implementation.
     * It might be useful if you want to alter the way gradle build information is merged into existing file content.
     * <p>
     * For examples see docs for {@link org.gradle.plugins.ide.eclipse.model.EclipseProject}

    fun mergeProperties(): JsonArray {
        val merged = JsonArray()
        instrumentationMetadataDirs
            .map { it.resolve(InstrumentationMetadataTransform.UPGRADED_PROPERTIES_FILE) }
            .filter { it.exists() }
            .sorted()
            .map { JsonParser.parseReader(FileReader(it)).asJsonArray }
            .forEach { merged.addAll(it) }
        return merged
    }

				}
				vMod = append(vMod, newVers)
			}
			merged := mergeXLV2Versions(i, true, 0, vMod...)
			if len(merged) == 0 && i < 2 {
				t.Error("Did not get any results")
				return
			}
			if len(merged) > 0 && i >= 2 {
				t.Error("Got unexpected results", len(merged), merged[0].header)
				return
			}
			for _, ver := range merged {
				if ver.header.Type == invalidVersionType {

                    PluginExecution existing = merged.get(key);
                    if (existing != null) {
                        element = mergePluginExecution(element, existing, sourceDominant, context);
                    }
                    merged.put(key, element);
                }

                builder.executions(merged.values());
            }
        }
    }

				if !apiequality.Semantic.DeepEqual(&t, &t2) && isSuperset(t2, t) {
					continue next // t is redundant; ignore it
				}
			}
		}
		merged = append(merged, t)
	}

	return merged
}

// isSuperset checks whether ss tolerates a superset of t.
func isSuperset(ss, t api.Toleration) bool {
	if apiequality.Semantic.DeepEqual(&t, &ss) {
		return true
	}

	if t.Key != ss.Key &&

            Map<String, String> merged = new HashMap<>();
            if (sourceDominant) {
                merged.putAll(target.getProperties());
                putAll(merged, source.getProperties(), CHILD_DIRECTORY_PROPERTY);
            } else {
                putAll(merged, source.getProperties(), CHILD_DIRECTORY_PROPERTY);
                merged.putAll(target.getProperties());
            }

		merged := basePermission.copy()
		if o := to.Operation; o != nil {
			merged.insertFront(destPortGenerator{}, attrDestPort, o.Ports, o.NotPorts)
			merged.insertFront(pathGenerator{}, pathMatcher, o.Paths, o.NotPaths)
			merged.insertFront(methodGenerator{}, methodHeader, o.Methods, o.NotMethods)
			merged.insertFront(hostGenerator{}, hostHeader, o.Hosts, o.NotHosts)
		}
		m.permissions = append(m.permissions, merged)
	}

            Map<String, String> merged = new HashMap<>();
            if (sourceDominant) {
                merged.putAll(target.getProperties());
                putAll(merged, source.getProperties(), CHILD_DIRECTORY_PROPERTY);
            } else {
                putAll(merged, source.getProperties(), CHILD_DIRECTORY_PROPERTY);
                merged.putAll(target.getProperties());
            }