root.attribute("xsi:schemaLocation", newSchemaLocation);
            context.detail("Updated xsi:schemaLocation");
        }
    }

    /**
     * Converts modules to subprojects for 4.1.0 compatibility using domtrip.
     */
    private void convertModulesToSubprojects(Editor editor, UpgradeContext context) {
        Element root = editor.root();
        if (root == null) {
            return;
        }

Você verá exemplos disso nos próximos capítulos, acerca de bancos de dados relacionais e NoSQL, segurança, etc.

## Compatibilidade do **FastAPI** { #fastapi-compatibility }

A simplicidade do sistema de injeção de dependência do **FastAPI** faz ele compatível com:

* todos os bancos de dados relacionais
* bancos de dados NoSQL
* pacotes externos
* APIs externas

    <exportedArtifact>org.apache.maven:maven-artifact</exportedArtifact>
    <!--
      | MNG-6240: Plugins might depend on maven-aether-provider <= 3.3.9 before the rename to maven-resolver-provider.
      | Since backwards-compatibility was kept, Maven Core also provides this artifact.
     -->
    <exportedArtifact>org.apache.maven:maven-aether-provider</exportedArtifact>
    <exportedArtifact>org.apache.maven:maven-resolver-provider</exportedArtifact>

            repo = versions.latestRepository;
        }
        if (version != null && !isCompatible(request, version)) {
            logger.info(
                    "Latest version of plugin {}:{} failed compatibility check",
                    request.getGroupId(),
                    request.getArtifactId());
            versions.versions.remove(version);
            version = null;
            searchPerformed = true;

	var appendHyphen bool
	// md5sumcurr is not empty in two scenarios
	// - server is running in strict compatibility mode
	// - client set Content-Md5 during PUT operation
	if len(md5sumCurr) == 0 {
		// md5sumCurr is only empty when we are running
		// in non-compatibility mode.
		md5sumCurr = make([]byte, 16)
		rand.Read(md5sumCurr)
		appendHyphen = true
	}
	if p.sealMD5Fn != nil {

Verás ejemplos de esto en los próximos capítulos, sobre bases de datos relacionales y NoSQL, seguridad, etc.

## Compatibilidad de **FastAPI** { #fastapi-compatibility }

La simplicidad del sistema de inyección de dependencias hace que **FastAPI** sea compatible con:

* todas las bases de datos relacionales
* bases de datos NoSQL
* paquetes externos
* APIs externas

Beispiele hierfür finden Sie in den nächsten Kapiteln zu relationalen und NoSQL-Datenbanken, Sicherheit usw.

## **FastAPI**-Kompatibilität { #fastapi-compatibility }

Die Einfachheit des Dependency Injection Systems macht **FastAPI** kompatibel mit:

* allen relationalen Datenbanken
* NoSQL-Datenbanken
* externen Packages
* externen APIs

    assertEquals(Integer.MAX_VALUE, ms.tailMultiset("a", CLOSED).size());
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  @AndroidIncompatible // Reflection bug, or actual binary compatibility problem?
  public void testElementSetBridgeMethods() {
    for (Method m : TreeMultiset.class.getMethods()) {
      if (m.getName().equals("elementSet") && m.getReturnType().equals(SortedSet.class)) {
        return;

  {{{../maven-settings/settings.html}Settings Model}},

  * encoding configuration have been defined as POM properties looking like POM content but not added to POM model to maintain
  compatibility with previous Maven versions:

    * <<<$\{project.build.sourceEncoding\}>>> for
    {{{https://cwiki.apache.org/confluence/display/MAVEN/POM+Element+for+Source+File+Encoding}source files encoding}}

				// here.
			} else if portRemoved(feature) {
				// okay.
			} else if featureSet[featureWithoutContext(feature)] {
				// okay.
			} else {
				fmt.Fprintf(w, "-%s\n", feature)
				ok = false // broke compatibility
			}
		case len(required) == 0 || (len(features) > 0 && required[0] > features[0]):
			newFeature := take(&features)
			fmt.Fprintf(w, "+%s\n", newFeature)
			ok = false // feature not in api/next/*
		default: