import java.net.InetAddress;
import java.text.ParseException;
import org.jspecify.annotations.Nullable;

/**
 * A syntactically valid host specifier, suitable for use in a URI. This may be either a numeric IP
 * address in IPv4 or IPv6 notation, or a domain name.
 *
 * <p>Because this class is intended to represent host specifiers which can reasonably be used in a

 *
 * <p><b>Note:</b> Currently the escapers provided by this class do not escape any characters
 * outside the ASCII character range. Unlike HTML escaping the XML escapers will not escape
 * non-ASCII characters to their numeric entity replacements. These XML escapers provide the minimal
 * level of escaping to ensure that the output can be safely included in a Unicode XML document.
 *

        value = "${special}";
        assertEquals("value$with\\backslash", ResourceUtil.resolve(value));

        // Test with numeric property names
        System.setProperty("123", "numeric");
        value = "${123}";
        assertEquals("numeric", ResourceUtil.resolve(value));

        // Test with underscores in property names
        System.setProperty("test_var", "underscore");

            System.clearProperty(Constants.FESS_CONFIG_PREFIX + testKey);
        }
    }

    // Test getting numeric configuration values
    public void test_get_numericValues() {
        String intKey = "numeric.int";
        String floatKey = "numeric.float";

        System.setProperty(Constants.FESS_CONFIG_PREFIX + intKey, "123");

      return routes[nextRouteIndex++]
    }
  }

  companion object {
    /** Obtain a host string containing either an actual host name or a numeric IP address. */
    val InetSocketAddress.socketHost: String get() {
      // The InetSocketAddress was specified with a string (either a numeric IP or a host name). If
      // it is a name, all IPs for that name should be tried. If it is an IP address, only that IP
      // address should be tried.

 *
 * @author higa
 */
public abstract class MessageFormatter {

    /**
     * Do not instantiate.
     */
    protected MessageFormatter() {
    }

    /** Length of the numeric part of the message code */
    protected static final int CODE_NUMBER_LENGTH = 4;

    /** Suffix of the resource bundle name corresponding to the message code */
    protected static final String MESSAGES = "Messages";

        assertProvideThrowsException("Test\nClassification");
    }

    public void test_provide_withNumericValues() {
        // Test classification names with numeric values
        assertProvideThrowsException("123");
        assertProvideThrowsException("0");
        assertProvideThrowsException("-1");
        assertProvideThrowsException("Test123");

        FAILED(9);

        private final int id;

        Status(final int id) {
            this.id = id;
        }

        /**
         * Gets the numeric ID of the status.
         * @return The numeric ID of the status.
         */
        public int getId() {
            return id;
        }
    }

    /**
     * Represents the base API response structure.
     */

    if (removalListener != null) {
      removalListener.onRemoval(RemovalNotification.create(key, value, cause));
    }
  }

  @SuppressWarnings("GoodTime") // timestamps as numeric primitives
  private V load(K key) throws ExecutionException {
    long startTime = ticker.read();
    V calculatedValue;
    try {
      calculatedValue = loader.load(key);
      put(key, calculatedValue);

        paramMap.put("level1", level1);

        Object result = scriptEngine.evaluate(template, paramMap);
        assertEquals("nested", result);
    }

    // Test evaluate method with numeric values
    public void test_evaluate_withNumericValues() {
        String template = "Result: ${number1} + ${number2} = ${sum}";
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("number1", 10);