assertEquals(0, values.length);
    }

    @Test
    public void testGetHeaderValue() {
        CurlResponse response = new CurlResponse();
        Map<String, List<String>> headers = new HashMap<>();
        headers.put("Content-Type", Arrays.asList("application/json"));
        headers.put("Content-Length", Arrays.asList("100"));
        response.setHeaders(headers);

	psqlCreateAccessTable    = `CREATE TABLE %s (event_time TIMESTAMP WITH TIME ZONE NOT NULL, event_data JSONB);`

	psqlUpdateRow = `INSERT INTO %s (key, value) VALUES ($1, $2) ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value;`
	psqlDeleteRow = `DELETE FROM %s WHERE key = $1;`
	psqlInsertRow = `INSERT INTO %s (event_time, event_data) VALUES ($1, $2);`
)

// Postgres constants

  }

  private int entry(int i) {
    return requireEntries()[i];
  }

  private void setElement(int i, E value) {
    requireElements()[i] = value;
  }

  private void setEntry(int i, int value) {
    requireEntries()[i] = value;
  }

        // Verify that the getters return the correct values
        assertEquals(length, pacString.getLength(), "The length should match the value provided in the constructor.");
        assertEquals(maxLength, pacString.getMaxLength(), "The maxLength should match the value provided in the constructor.");
        assertEquals(pointer, pacString.getPointer(), "The pointer should match the value provided in the constructor.");
    }

    /**

    /**
     * The name of the request header.
     */
    @Required
    @Size(max = 100)
    public String name;

    /**
     * The value of the request header.
     */
    @Required
    @Size(max = 1000)
    public String value;

    /**
     * The web configuration ID associated with this request header.
     */
    @Required
    @Size(max = 1000)
    public String webConfigId;

     * Gets the location of the problem. The location is a user-friendly combination of the values from
     * {@link #getSource()}, {@link #getLineNumber()} and {@link #getColumnNumber()}. The exact syntax of the returned
     * value is undefined.
     *
     * @return the location of the problem, never {@code null}
     */
    @Nonnull
    String getLocation();

    /**
     * Gets the exception that caused this problem (if any).
     *

    @CustomSize(maxKey = "form.admin.max.input.size")
    public String virtualHosts;

    /** Sort order for displaying configurations */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /** User who created this configuration */
    @Size(max = 1000)
    public String createdBy;

var DefaultKVS = config.KVS{
	config.KV{
		Key:   MaxTimeout,
		Value: "30s",
	},
}

var configLk sync.RWMutex

// Config represents the subnet related configuration
type Config struct {
	// MaxTimeout - maximum timeout for a drive operation
	MaxTimeout time.Duration `json:"maxTimeout"`
}

// Update - updates the config with latest values
func (c *Config) Update(updated Config) error {
	configLk.Lock()

    return requireLinks()[i];
  }

  private void setLink(int i, long value) {
    requireLinks()[i] = value;
  }

  /*
   * We don't define getPredecessor+getSuccessor and setPredecessor+setSuccessor here because
   * they're defined above -- including logic to add and subtract 1 to map between the values stored
   * in the predecessor/successor arrays and the indexes in the elements array that they identify.

        Map<String, String> dataMap = new HashMap<>();
        dataMap.put("key1", "value1");
        dataMap.put("key2", "");
        dataMap.put("key3", null);

        // Test with existing value
        String result1 = (String) method.invoke(crawler, dataMap, "key1", "default");
        assertEquals("value1", result1);

        // Test with empty value
        String result2 = (String) method.invoke(crawler, dataMap, "key2", "default");