}

    static final class DuplicateKey {
      private final Object key;
      private final Object value1;
      private final Object value2;

      DuplicateKey(Object key, Object value1, Object value2) {
        this.key = key;
        this.value1 = value1;
        this.value2 = value2;
      }

      IllegalArgumentException exception() {
        return new IllegalArgumentException(

            ConstantValueKind.Double -> (value as Number).toDouble()
            ConstantValueKind.Float -> (value as Number).toFloat()
            ConstantValueKind.Int -> (value as Number).toInt()
            ConstantValueKind.Long -> (value as Number).toLong()
            ConstantValueKind.Short -> (value as Number).toShort()
            ConstantValueKind.UnsignedByte -> (value as Number).toLong().toUByte()

    for (int value : TEST_INTS) {
      assertWithMessage(UnsignedInts.toString(value))
          .that(UnsignedInteger.fromIntBits(value).intValue())
          .isEqualTo(value);
    }
  }

  public void testFromIntBitsLongValue() {
    for (int value : TEST_INTS) {
      long expected = value & 0xffffffffL;
      assertWithMessage(UnsignedInts.toString(value))

      } else if (value instanceof OptionalInt) {
        return !((OptionalInt) value).isPresent();
      } else if (value instanceof OptionalLong) {
        return !((OptionalLong) value).isPresent();
      } else if (value instanceof OptionalDouble) {
        return !((OptionalDouble) value).isPresent();
      } else if (value instanceof Optional) {
        return !((Optional) value).isPresent();

	DB.Migrator().AutoMigrate(&Preload{}, &Join{}, &Nested{}, &Value{})

	value1 := Value{
		Name: "value",
		Nested: Nested{
			Preloads: []*Preload{
				{Value: "p1"}, {Value: "p2"},
			},
			Join: Join{Value: "j1"},
		},
	}
	value2 := Value{
		Name: "value2",
		Nested: Nested{
			Preloads: []*Preload{
				{Value: "p3"}, {Value: "p4"}, {Value: "p5"},
			},

import static com.google.common.math.StatsTesting.ONE_VALUE_STATS;
import static com.google.common.math.StatsTesting.OTHER_MANY_VALUES;
import static com.google.common.math.StatsTesting.OTHER_MANY_VALUES_COUNT;
import static com.google.common.math.StatsTesting.OTHER_MANY_VALUES_STATS;
import static com.google.common.math.StatsTesting.OTHER_ONE_VALUE;
import static com.google.common.math.StatsTesting.OTHER_ONE_VALUE_STATS;

import static com.google.common.math.StatsTesting.ONE_VALUE_STATS;
import static com.google.common.math.StatsTesting.OTHER_MANY_VALUES;
import static com.google.common.math.StatsTesting.OTHER_MANY_VALUES_COUNT;
import static com.google.common.math.StatsTesting.OTHER_MANY_VALUES_STATS;
import static com.google.common.math.StatsTesting.OTHER_ONE_VALUE;
import static com.google.common.math.StatsTesting.OTHER_ONE_VALUE_STATS;

      assertWithMessage(UnsignedLongs.toString(value))
          .that(UnsignedLong.fromLongBits(value).longValue())
          .isEqualTo(value);
    }
  }

  public void testAsUnsignedBigIntegerValue() {
    for (long value : TEST_LONGS) {
      BigInteger expected =
          (value >= 0)
              ? BigInteger.valueOf(value)
              : BigInteger.valueOf(value).add(BigInteger.ZERO.setBit(64));

        "Should not contain null key after unsupported put(null, value)");
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testPut_nullValueSupported() {
    assertNull("put(key, null) should return null", put(nullValueEntry));
    expectAdded(nullValueEntry);
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPut_nullValueUnsupported() {
    try {

public final class CacheBuilderSpec {
  /** Parses a single value. */
  private interface ValueParser {
    void parse(CacheBuilderSpec spec, String key, @CheckForNull String value);
  }

  /** Splits each key-value pair. */
  private static final Splitter KEYS_SPLITTER = Splitter.on(',').trimResults();

  /** Splits the key from the value. */
  private static final Splitter KEY_VALUE_SPLITTER = Splitter.on('=').trimResults();