return def;
        }
        String msg = error.getMessage();
        if (msg != null && !msg.isEmpty()) {
            return msg;
        }
        return getMessage(error.getCause(), def);
    }

    private ArtifactRepositoryLayout getLayout(String id) {
        ArtifactRepositoryLayout layout = layouts.get(id);

        if (layout == null) {

                        throw new NoSuchFieldError("the Unsafe");
                      });
        } catch (PrivilegedActionException e) {
          throw new RuntimeException("Could not initialize intrinsics", e.getCause());
        }
      }
      try {
        Class<?> abstractFutureState = AbstractFutureState.class;
        WAITERS_OFFSET =

              + " from "
              + invokable
              + Arrays.toString(params)
              + " for "
              + testedClass);
    } catch (InvocationTargetException e) {
      Throwable cause = e.getCause();
      if (policy.isExpectedType(cause)) {
        return;
      }
      throw new AssertionError(
          String.format(

              + " from "
              + invokable
              + Arrays.toString(params)
              + " for "
              + testedClass);
    } catch (InvocationTargetException e) {
      Throwable cause = e.getCause();
      if (policy.isExpectedType(cause)) {
        return;
      }
      throw new AssertionError(
          String.format(

      // requireNonNull is safe because ExampleStackTrace sets a non-null message.
      StringBuilder message = new StringBuilder(requireNonNull(super.getMessage()));
      for (Throwable t = conflictingStackTrace; t != null; t = t.getCause()) {
        message.append(", ").append(t.getMessage());
      }
      return message.toString();
    }
  }

  /**

      throw new RuntimeException("Couldn't invoke ThreadManager.currentRequestThreadFactory", e);
    } catch (InvocationTargetException e) {
      // `currentRequestThreadFactory` has no `throws` clause.
      throw sneakyThrow(e.getCause());
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // TODO
  private static boolean isAppEngineWithApiClasses() {
    if (System.getProperty("com.google.appengine.runtime.environment") == null) {

      // requireNonNull is safe because ExampleStackTrace sets a non-null message.
      StringBuilder message = new StringBuilder(requireNonNull(super.getMessage()));
      for (Throwable t = conflictingStackTrace; t != null; t = t.getCause()) {
        message.append(", ").append(t.getMessage());
      }
      return message.toString();
    }
  }

  /**

synchronized class ExceptionUtils { static final String WRAPPED_MARKER = [wrapped] ; protected static String[] CAUSE_METHOD_NAMES; protected void ExceptionUtils(); public static void addCauseMethodName(String); public static Throwable getCause(Throwable); public static Throwable getCause(Throwable, String[]); public static Throwable getRootCause(Throwable); private static Throwable getCauseUsingWellKno(Throwable); private static Throwable getCauseUsingMethodN(Throwable, String); private static Throwable get...

          }
        }

        // at this point e is either null or expired;
        return lockedGetOrLoad(key, hash, loader);
      } catch (ExecutionException ee) {
        Throwable cause = ee.getCause();
        if (cause instanceof Error) {
          throw new ExecutionError((Error) cause);
        } else if (cause instanceof RuntimeException) {
          throw new UncheckedExecutionException(cause);
        }