*
   * <p>For undirected networks, this is equal to {@code incidentEdges(node).size()} + (number of
   * self-loops incident to {@code node}).
   *
   * <p>If the count is greater than {@code Integer.MAX_VALUE}, returns {@code Integer.MAX_VALUE}.
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this network
   */
  int degree(N node);

  /**

    void testWithEdgeCaseTimeValues() {
        // Test with various time values including edge cases
        long[][] timeValues = { { 0L, 0L, 0L, 0L }, // All zeros
                { Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE }, // Max values
                { 1L, 2L, 3L, 4L }, // Small values
                { -1L, -2L, -3L, -4L } // Negative values (though unusual for file times)
        };

    assertThat(readAscii(gunzippedIn, Int.MAX_VALUE)).isEqualTo("one (gzipped)")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)
    val response2 =
      getResponse(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    assertThat(readAscii(response2.body.byteStream(), Int.MAX_VALUE)).isEqualTo("two (identity)")

        // Test negative version
        event.setVersionNo(-1L);
        assertEquals(Long.valueOf(-1L), event.getVersionNo());

        // Test max version
        event.setVersionNo(Long.MAX_VALUE);
        assertEquals(Long.valueOf(Long.MAX_VALUE), event.getVersionNo());
    }

    // Test toSource method
    public void test_toSource() {
        // Test with data

        int bufferIndex = 0;

        // Set up max values
        int namedPipeState = Integer.MAX_VALUE;
        int readDataAvailable = Integer.MAX_VALUE;
        int numberOfMessages = Integer.MAX_VALUE;
        int messageLength = Integer.MAX_VALUE;
        byte[] testData = { 0x7F, 0x7F, 0x7F, 0x7F };

        // Write values to buffer

        // Given
        Integer largeTimeout = Integer.MAX_VALUE;
        when(request.getOverrideTimeout()).thenReturn(largeTimeout);

        // When
        Integer result = request.getOverrideTimeout();

        // Then
        assertNotNull(result);
        assertEquals(Integer.MAX_VALUE, result.intValue());
        verify(request, times(1)).getOverrideTimeout();
    }

                Arguments.of(1, 1L, 1L, 1L, 1L), // ones
                Arguments.of(123, 456L, 789L, 101112L, 131415L), // arbitrary positives
                Arguments.of(Integer.MAX_VALUE, Long.MAX_VALUE, Long.MIN_VALUE, 999_999_999_999L, -1L), // extremes
                Arguments.of(-1, -2L, -3L, -4L, -5L) // negative values
        );
    }

        byte[] buffer = new byte[100];

        // Act & Assert
        assertEquals(0, response.readSetupWireFormat(buffer, 0, Integer.MAX_VALUE));
        assertEquals(0, response.readParametersWireFormat(buffer, 0, Integer.MAX_VALUE));
        assertEquals(0, response.readDataWireFormat(buffer, 0, Integer.MAX_VALUE));
    }

  private static final byte GREATEST = Byte.MAX_VALUE;

  private static final byte[] VALUES = {LEAST, -1, 0, 1, GREATEST};

  public void testCheckedCast() {
    for (byte value : VALUES) {
      assertThat(SignedBytes.checkedCast((long) value)).isEqualTo(value);
    }
    assertCastFails(GREATEST + 1L);
    assertCastFails(LEAST - 1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

    assertEquals(string, readFully(reader));
    assertFullyRead(reader);

    // reset, skip, mark, then read the rest
    reader.reset();
    assertEquals(5, reader.skip(5));
    reader.mark(Integer.MAX_VALUE);
    assertEquals(string.substring(5), readFully(reader));
    assertFullyRead(reader);

    // reset to the mark and then read the rest
    reader.reset();
    assertEquals(string.substring(5), readFully(reader));