threadFail("should throw " + exceptionName);
  }

  /**
   * Records the given exception using {@link #threadRecordFailure}, then rethrows the exception,
   * wrapping it in an AssertionFailedError if necessary.
   */
  public void threadUnexpectedException(Throwable t) {
    threadRecordFailure(t);
    t.printStackTrace();

				}
			}

			// If the remote URL doesn't exist at all, ideally we should treat the whole
			// repository as nonexistent by wrapping the error in a notExistError.
			// For HTTP and HTTPS, that's easy to detect: we'll try to fetch the URL
			// ourselves and see what code it serves.

			return
		}
		if state.hasIndex {
			anyIndex = true
		}
		if state.verb == 'w' {
			switch kind {
			case KindNone, KindPrint, KindPrintf:
				pass.Reportf(call.Pos(), "%s does not support error-wrapping directive %%w", state.name)
				return
			}
		}
		if len(state.argNums) > 0 {
			// Continue with the next sequential argument.
			argNum = state.argNums[len(state.argNums)-1] + 1
		}

	}
	return err
}

func (e *importError) Error() string {
	return e.err.Error()
}

func (e *importError) Unwrap() error {
	// Don't return e.err directly, since we're only wrapping an error if %w
	// was passed to ImportErrorf.
	return errors.Unwrap(e.err)
}

func (e *importError) ImportPath() string {
	return e.importPath

	// If the command exits with a success status after Cancel is
	// called, and Cancel does not return an error equivalent to
	// os.ErrProcessDone, then Wait and similar methods will return a non-nil
	// error: either an error wrapping the one returned by Cancel,
	// or the error from the Context.
	// (If the command exits with a non-success status, or Cancel
	// returns an error that wraps os.ErrProcessDone, Wait and similar methods

// IPv6 addresses.
func (ip Addr) Is6() bool {
	return ip.z != z0 && ip.z != z4
}

// Unmap returns ip with any IPv4-mapped IPv6 address prefix removed.
//
// That is, if ip is an IPv6 address wrapping an IPv4 address, it
// returns the wrapped IPv4 address. Otherwise it returns ip unmodified.
func (ip Addr) Unmap() Addr {
	if ip.Is4In6() {
		ip.z = z4
	}
	return ip
}