assertThat(expected).hasMessageThat().isEqualTo("Mark not set");
  }

  public void testMarkNotSupported() {
    counter = new CountingInputStream(new UnmarkableInputStream());

    IOException expected = assertThrows(IOException.class, () -> counter.reset());
    assertThat(expected).hasMessageThat().isEqualTo("Mark not supported");
  }

        return false
    }

    val mark = currentPosition
    advance()

    val hasShebangLine = tokenType == KtTokens.EXCL

    restore(mark)
    return hasShebangLine
}


private
fun KotlinLexer.hasFileAnnotations(): Boolean {

    if (tokenType != KtTokens.AT) {
        return false
    }

    val mark = currentPosition
    advance()

// per-arena bitmap with a bit for every word in the arena. The mark
// is stored on the bit corresponding to the first word of the marked
// allocation.
type checkmarksMap struct {
	_ sys.NotInHeap
	b [heapArenaBytes / goarch.PtrSize / 8]uint8
}

// If useCheckmark is true, marking of an object uses the checkmark
// bits instead of the standard mark bits.
var useCheckmark = false

        inactiveProfileIds.forEach(this::deactivateOptionalProfile);
    }

    /**
     * Mark a profile as required and activated.
     * @param id The identifier of the profile.
     */
    public void activateRequiredProfile(String id) {
        this.activations.put(id, ActivationSettings.ACTIVATION_REQUIRED);
    }

    /**
     * Mark a profile as optional and activated.
     * @param id The identifier of the profile.
     */

func memcombineLoads(f *Func) {
	// Find "OR trees" to start with.
	mark := f.newSparseSet(f.NumValues())
	defer f.retSparseSet(mark)
	var order []*Value

	// Mark all values that are the argument of an OR.
	for _, b := range f.Blocks {
		for _, v := range b.Values {
			if v.Op == OpOr16 || v.Op == OpOr32 || v.Op == OpOr64 {
				mark.add(v.Args[0].ID)
				mark.add(v.Args[1].ID)
			}
		}
	}
	for _, b := range f.Blocks {

        return inputStream.equals(obj);
    }

    @Override
    public int hashCode() {
        return inputStream.hashCode();
    }

    @Override
    public synchronized void mark(final int readlimit) {
        inputStream.mark(readlimit);
    }

    @Override
    public boolean markSupported() {
        return inputStream.markSupported();
    }

    @Override
    public int read() throws IOException {

  static void clear(Buffer b) {
    b.clear();
  }

  static void flip(Buffer b) {
    b.flip();
  }

  static void limit(Buffer b, int limit) {
    b.limit(limit);
  }

  static void mark(Buffer b) {
    b.mark();
  }

  static void position(Buffer b, int position) {
    b.position(position);
  }

  static void reset(Buffer b) {
    b.reset();
  }

  private Java8Compatibility() {}

		//
		// Adds in-pod rules for marking packets with the istio-specific TPROXY mark.
		// A very similar mechanism is used for sidecar TPROXY.
		//
		// TODO largely identical/copied from tools/istio-iptables/pkg/capture/run_linux.go
		inpodMarkRule := netlink.NewRule()
		inpodMarkRule.Family = family
		inpodMarkRule.Table = RouteTableInbound
		inpodMarkRule.Mark = InpodTProxyMark
		inpodMarkRule.Mask = InpodTProxyMask

    }

    /**
     * Mark a project as required and activated.
     * @param selector The selector of the project.
     */
    public void activateRequiredProject(String selector) {
        this.activations.add(new ProjectActivationSettings(selector, ActivationSettings.ACTIVATION_REQUIRED));
    }

    /**
     * Mark a project as optional and activated.

	p.Pid = pidReleased

	switch p.mode {
	case modeHandle:
		// Drop the Process' reference and mark handle unusable for
		// future calls.
		//
		// Ignore the return value: we don't care if this was a no-op
		// racing with Wait, or a double Release.
		p.handlePersistentRelease(statusReleased)
	case modePID:
		// Just mark the PID unusable.
		p.pidDeactivate(statusReleased)
	}
	// no need for a finalizer anymore