assertThat(transformation.inverse().transform(y1 + yDelta))
        .isWithin(ALLOWED_ERROR)
        .of(x1 + xDelta);
    assertThat(transformation.slope()).isWithin(ALLOWED_ERROR).of(yDelta / xDelta);
    assertThat(transformation.inverse().slope()).isWithin(ALLOWED_ERROR).of(xDelta / yDelta);
    assertThat(transformation.inverse()).isSameInstanceAs(transformation.inverse());

   */
  static final class SmoothWarmingUp extends SmoothRateLimiter {
    private final long warmupPeriodMicros;

    /**
     * The slope of the line from the stable interval (when permits == 0), to the cold interval
     * (when permits == maxPermits)
     */
    private double slope;

    private double thresholdPermits;
    private final double coldFactor;

    SmoothWarmingUp(

        String scope = "testScope";
        when(nameServiceClient.getNbtByName(host, type, scope)).thenThrow(new UnknownHostException("Host not found"));

        // Act & Assert
        assertThrows(UnknownHostException.class, () -> nameServiceClient.getNbtByName(host, type, scope));
        verify(nameServiceClient, times(1)).getNbtByName(host, type, scope);
    }

    @Test
    void testGetNbtByName_String() throws UnknownHostException {

    /**
     * Gets the cache scope (ALL or IMMEDIATE_CHILDREN)
     * @return the cache scope
     */
    public DirectoryCacheScope getScope() {
        return scope;
    }

    /**
     * Sets the cache scope for this directory cache
     * @param scope the cache scope to set
     */
    public void setScope(DirectoryCacheScope scope) {
        this.scope = scope;
    }

    /**

			<version>1.6.0</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.testcontainers</groupId>
			<artifactId>testcontainers</artifactId>
			<version>2.0.2</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mockito</groupId>
			<artifactId>mockito-core</artifactId>
			<version>5.7.0</version>
			<scope>test</scope>
		</dependency>
	</dependencies>

    }

    // Parse the address, and make sure the length/version is correct.
    Scope scope = parseScope ? new Scope() : null;
    byte[] addr = ipStringToBytes(ipString, scope);
    if (addr == null || addr.length != expectBytes) {
      return null;
    }

    return bytesToInetAddress(addr, (scope != null) ? scope.scope : null);
  }

  /**

        byte[] dst = new byte[100];

        int length = name.writeWireFormat(dst, 0);

        // Scope should start at position 33 with a length byte (not '.')
        // The first byte after encoding would be the length of "scope"
        assertEquals(5, dst[33]); // Length of "scope"

        // Verify total length includes scope

			<version>2.2</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mockito</groupId>
			<artifactId>mockito-core</artifactId>
			<version>5.11.0</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.testcontainers</groupId>
			<artifactId>testcontainers</artifactId>
			<version>1.21.3</version>
			<scope>test</scope>
		</dependency>
		<dependency>

    }

    // Parse the address, and make sure the length/version is correct.
    Scope scope = parseScope ? new Scope() : null;
    byte[] addr = ipStringToBytes(ipString, scope);
    if (addr == null || addr.length != expectBytes) {
      return null;
    }

    return bytesToInetAddress(addr, (scope != null) ? scope.scope : null);
  }

  /**

    }

    @Override
    public NbtAddress getNbtByName(final String host, final int type, final String scope) throws UnknownHostException {
        return getNbtByName(host, type, scope, null);
    }

    @Override
    public NbtAddress getNbtByName(final String host, final int type, final String scope, final InetAddress svr)
            throws UnknownHostException {

        if (host == null || host.length() == 0) {