return Objects.hashCode(function, supplier);
    }

    @Override
    public String toString() {
      return "Suppliers.compose(" + function + ", " + supplier + ")";
    }

    private static final long serialVersionUID = 0;
  }

  /**
   * Returns a supplier which caches the instance retrieved during the first call to {@code get()}
   * and returns that value on subsequent calls to {@code get()}. See: <a

	}
}

// WithoutCancel returns a copy of parent that is not canceled when parent is canceled.
// The returned context returns no Deadline or Err, and its Done channel is nil.
// Calling [Cause] on the returned context returns nil.
func WithoutCancel(parent Context) Context {
	if parent == nil {
		panic("cannot create context from nil parent")
	}
	return withoutCancelCtx{parent}
}

	// SetUpDevice returns stagingPath if device setup was successful
	SetUpDevice() (stagingPath string, err error)

	// MapPodDevice maps the block device to a path and return the path.
	// Unique device path across kubelet node reboot is required to avoid
	// unexpected block volume destruction.
	// If empty string is returned, the path returned by attacher.Attach() and

	// cease to attempt to retry creation after some number of attempts and return an error. If the returned
	// error is not nil, creation failed. If the returned error is nil, the returned ControllerRevision has been
	// created.
	// Callers must make sure that collisionCount is not nil. An error is returned if it is.

// Stops and returns as soon as:
// 1. the condition check returns true or an error,
// 2. `backoff.Steps` checks of the condition have been done, or
// 3. a sleep truncated by the cap on duration has been completed.
// In case (1) the returned error is what the condition function returned.
// In all other cases, ErrWaitTimeout is returned.
//

   * opening the data stream.
   *
   * <p>The default implementation returns {@link Optional#absent}. Some sources, such as a file,
   * may return a non-absent value. Note that in such cases, it is <i>possible</i> that this method
   * will return a different number of bytes than would be returned by reading all of the bytes (for
   * example, some special files may return a size of 0 despite actually having content when read).
   *

  /** Returns the empty array. */
  public static ImmutableDoubleArray of() {
    return EMPTY;
  }

  /** Returns an immutable array containing a single value. */
  public static ImmutableDoubleArray of(double e0) {
    return new ImmutableDoubleArray(new double[] {e0});
  }

  /** Returns an immutable array containing the given values, in order. */

  /** Returns the empty array. */
  public static ImmutableLongArray of() {
    return EMPTY;
  }

  /** Returns an immutable array containing a single value. */
  public static ImmutableLongArray of(long e0) {
    return new ImmutableLongArray(new long[] {e0});
  }

  /** Returns an immutable array containing the given values, in order. */

// value (which may be empty) is returned and the boolean is true.
// Otherwise the returned value will be the default and the boolean will
// be false.
func (v StringVar) Lookup() (string, bool) {
	result, ok := os.LookupEnv(v.Name)
	if !ok {
		result = v.DefaultValue
	}

	return result, ok
}

// Get retrieves the value of the environment variable.

   *
   * <p>The returned set's iterator traverses the mappings with the first row key, the mappings with
   * the second row key, and so on.
   *
   * <p>The value in the returned cells may change if the table subsequently changes.
   *
   * @return set of table cells consisting of row key / column key / value triplets
   */
  @Override
  public Set<Cell<R, C, @Nullable V>> cellSet() {
    return super.cellSet();