// Register the SMB URL handler to avoid MalformedURLException
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs");
        } else if (!pkgs.contains("jcifs")) {
            System.setProperty("java.protocol.handler.pkgs", pkgs + "|jcifs");
        }
    }

    @BeforeEach
    void setUp() throws Exception {

        System.clearProperty("java.protocol.handler.pkgs");
        SingletonContext.registerSmbURLHandler();
        assertEquals("jcifs", System.getProperty("java.protocol.handler.pkgs"));
    }

    @Test
    void testRegisterSmbURLHandlerWhenPkgsDoesNotContainJcifs() {
        // Test registerSmbURLHandler when java.protocol.handler.pkgs does not contain "jcifs"

        // Register the SMB protocol handler
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs.smb1");
        } else if (!pkgs.contains("jcifs.smb1")) {
            System.setProperty("java.protocol.handler.pkgs", pkgs + "|jcifs.smb1");
        }
    }

    @Test

        SingletonContext.getInstance();
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs");
        } else if (pkgs.indexOf("jcifs") == -1) {
            pkgs += "|jcifs";
            System.setProperty("java.protocol.handler.pkgs", pkgs);
        }
    }

    /**
     *
     */

        } else if (pkgs.indexOf("jcifs.smb1") == -1) {
            pkgs += "|jcifs.smb1";
            System.setProperty("java.protocol.handler.pkgs", pkgs);
        }
    }

    // supress javadoc constructor summary by removing 'protected'
    Config() {
    }

    /**
     * Set the default properties of the static Properties used by <code>Config</code>. This permits

    private static final Map<String, URLStreamHandler> PROTOCOL_HANDLERS = new HashMap<>();

    private static final String HANDLER_PKGS_PROPERTY = "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

    }

    private static final Map PROTOCOL_HANDLERS = new HashMap();

    private static final String HANDLER_PKGS_PROPERTY = "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

        // package when it is listed in the 'java.protocol.handler.pkgs' system property.
        // We use mock handlers since actual system handlers might not be available in test environment.
        System.setProperty("java.protocol.handler.pkgs", "jcifs");
        setupMockProtocolHandlers();
        URL url = new URL("http://example.com/resource");

		<osgi.version>${parsedVersion.majorVersion}.${parsedVersion.minorVersion}.${parsedVersion.incrementalVersion}.${osgi-version-qualifier}</osgi.version>
		<osgi.pkg.version>${parsedVersion.majorVersion}.${parsedVersion.minorVersion}.${parsedVersion.incrementalVersion}</osgi.pkg.version>
	</properties>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.14.0</version>
				<configuration>

   *
   * [rfc_7468]: https://tools.ietf.org/html/rfc7468
   */
  fun certificatePem(): String = certificate.certificatePem()

  /**
   * Returns the private key encoded in [PKCS #8][rfc_5208] [PEM format][rfc_7468].
   *
   * [rfc_5208]: https://tools.ietf.org/html/rfc5208
   * [rfc_7468]: https://tools.ietf.org/html/rfc7468
   */
  fun privateKeyPkcs8Pem(): String =
    buildString {