private TestClassProcessor processor;
    private TestResultProcessor resultProcessor;

    /**
     * Note that the state object is not synchronized and not thread-safe.  Any modifications to the
     * the state should ONLY be made inside the main thread or inside a command passed to the run queue
     * (which will execute on the main thread).
     */

      synchronized (state) {
        if (state.seenExceptions == expect) {
          state.seenExceptions = update;
        }
      }
    }

    @Override
    int decrementAndGetRemainingCount(AggregateFutureState<?> state) {
      synchronized (state) {
        return --state.remaining;
      }
    }
  }

            return false;
        }
    }

    @Override
    public List<? extends Throwable> getCauses() {
        return causes;
    }

    @Override
    public synchronized Throwable initCause(Throwable throwable) {
        causes.clear();
        causes.add(throwable);
        return null;
    }

    public void initCauses(Iterable<? extends Throwable> causes) {

        return gradleInstallation;
    }

    @Nullable // if no installation can be located
    public static GradleInstallation get() {
        return locate().getInstallation();
    }

    public synchronized static CurrentGradleInstallation locate() {
        if (instance == null) {
            instance = CurrentGradleInstallationLocator.locate();
        }
        return instance;
    }

    }

    public DefaultMultiCauseExceptionNoStackTrace(Factory<String> messageFactory, Iterable<? extends Throwable> causes) {
        super(messageFactory, causes);
    }

    @Override
    public synchronized Throwable fillInStackTrace() {
        return this;
    }

  if (!status.ok()) {
    done(status);
    return;
  }
  if (auto st = stream_->BlockHostUntilDone(); !st.ok()) {
    done_event_.SetError(absl::InternalError(absl::StrFormat(
        "failed to synchronize send operation with a stream: %s",
        st.ToString())));
    return;
  }

  done_event_.SetStateConcrete();
  done(absl::OkStatus());
}

  if (!status.ok()) {
    done(status);
    return;
  }
  if (auto st = stream_->BlockHostUntilDone(); !st.ok()) {
    done_event_.SetError(absl::InternalError(absl::StrFormat(
        "failed to synchronize send operation with a stream: %s",
        st.ToString())));
    return;
  }

  done_event_.SetStateConcrete();
  done(absl::OkStatus());
}

      synchronized (future) {
        if (future.waiters == expect) {
          future.waiters = update;
          return true;
        }
        return false;
      }
    }

    @Override
    boolean casListeners(AbstractFuture<?> future, @CheckForNull Listener expect, Listener update) {
      synchronized (future) {
        if (future.listeners == expect) {

      synchronized (future) {
        if (future.waiters == expect) {
          future.waiters = update;
          return true;
        }
        return false;
      }
    }

    @Override
    boolean casListeners(AbstractFuture<?> future, @CheckForNull Listener expect, Listener update) {
      synchronized (future) {
        if (future.listeners == expect) {

type Writer struct {
	// opts are the configuration options for this Writer
	opts Options

	// f is the currently open file used for appends.
	// Writes to f are only synchronized once Close() is called,
	// or when files are being rotated.
	f *os.File

	pw *xioutil.PipeWriter
	pr *xioutil.PipeReader
}

// Write writes p into the current file, rotating if necessary.