private final Set<String> artifacts;

    private final Set<String> packages;

    private final String key;

    private final XmlNode configuration;

    public CoreExtensionEntry(
            ClassRealm realm,
            Collection<String> artifacts,
            Collection<String> packages,
            String key,
            XmlNode configuration) {
        this.realm = realm;

    /**
     * Vendor-specific default packages. If no packages are specified in
     * "java.protocol.handler.pkgs", the VM uses one or more default
     * packages, which are vendor specific. Sun's is included below
     * for convenience; others could be as well. If a particular vendor's
     * package isn't listed, it can be specified in
     * "java.protocol.handler.pkgs".
     */

            "java.protocol.handler.pkgs";

    /**
     * Vendor-specific default packages.  If no packages are specified in
     * "java.protocol.handler.pkgs", the VM uses one or more default
     * packages, which are vendor specific.  Sun's is included below
     * for convenience; others could be as well.  If a particular vendor's
     * package isn't listed, it can be specified in
     * "java.protocol.handler.pkgs".
     */

        try (PrintWriter writer = new PrintWriter(new FileWriter(getImportsDestFile().getAsFile().get()))) {
            for (String packageName : packages) {
                writer.print("import ");
                writer.print(packageName);
                writer.println(".*");
            }
        }
    }

        return artifacts;
    }

    /**
     * Returns packages exported by Maven core and core extensions.
     */
    public Map<String, ClassLoader> getExportedPackages() {
        return packages;
    }

 * {@link Escaper}.
 *
 * <p>Additional escapers implementations are found in the applicable packages: {@link
 * com.google.common.html.HtmlEscapers} in {@code com.google.common.html}, {@link
 * com.google.common.xml.XmlEscapers} in {@code com.google.common.xml}, and {@link
 * com.google.common.net.UrlEscapers} in {@code com.google.common.net}.
 *
 * <p>This package is a part of the open-source <a href="https://github.com/google/guava">Guava</a>
 * library.

     * @param parent The parent realm for the new realm, may be {@code null}.
     * @param parentImports The packages/types to import from the parent realm, may be {@code null}.
     * @param foreignImports The packages/types to import from foreign realms, may be {@code null}.
     * @param artifacts The artifacts to add to the realm, may be {@code null}. Unresolved artifacts (i.e. with a

        assertEquals(1, classRealm.getURLs().length);
        assertThat(classRealm.getURLs()[0].getPath(), endsWith("local/repository/some/path"));

        verifier.verify(logger, calls(1)).debug("Importing foreign packages into class realm {}", "maven.api");
        verifier.verify(logger, calls(1)).debug("  Imported: {} < {}", "group1:artifact1", "test");

    /**
     * Gets the packages/types to import from the parent realm.
     *
     * @return The modifiable list of packages/types to import from the parent realm, never {@code null}.
     */
    List<String> getParentImports();

    /**
     * Gets the packages/types to import from foreign realms.
     *
     * @return The modifiable map of packages/types to import from foreign realms, never {@code null}.

                final String webPackageKeyword = getWebPackageKeyword();
                if (!clazz.getName().contains(webPackageKeyword) ||
                // exclude app.web.api.admin packages
                        clazz.getName().contains(".app.web.api.admin.")) {
                    return;
                }
                check(srcFile, clazz, webPackageKeyword);
            }
        });
    }