newStringUnsafeMethod = javaLangAccessClass.getMethod("newStringUnsafe", char[].class);
        } catch (final Throwable t) {
            // ignore
            // t.printStackTrace();
        }
    }

    /**
     * Checks if the string is empty or null.
     *
     * @param text the string to check
     * @return true if empty or null, false otherwise
     */

   */
  @GwtIncompatible // java.io.PrintWriter, java.io.StringWriter
  public static String getStackTraceAsString(Throwable throwable) {
    StringWriter stringWriter = new StringWriter();
    throwable.printStackTrace(new PrintWriter(stringWriter));
    return stringWriter.toString();
  }

  /**
   * Returns the stack trace of {@code throwable}, possibly providing slower iteration over the full

                                successCount.incrementAndGet();
                            }
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        endLatch.countDown();
                    }
                }
            });
        }

        startLatch.countDown();

            .url("http://publicobject.com/helloworld.txt")
            .build()

        client.newCall(request).enqueue(object : Callback {
          override fun onFailure(call: Call, e: IOException) {
            e.printStackTrace()
          }

          override fun onResponse(call: Call, response: Response) {
            response.use {
              if (!response.isSuccessful) throw IOException("Unexpected code $response")

            } else {
                buf.append(t.getMessage());
            }
            try (final StringWriter sw = new StringWriter(); final PrintWriter pw = new PrintWriter(sw)) {
                t.printStackTrace(pw);
                pw.flush();
                buf.append(" [ ").append(sw.toString()).append(" ]");
            } catch (final IOException ignore) {}
            return buf.toString();
        };

            numObInputDoc.set(response.getNumberOfInputDocs());
            latch.countDown();
        }).error(t -> {
            t.printStackTrace();
            latch.countDown();
            fail();
        });
        latch.await();
        assertEquals(num, numObInputDoc.get());

      PrintWriter writer = new PrintWriter(message);
      writer.println("Expected no failures, but found:");
      for (AssertionError failure : failures) {
        failure.printStackTrace(writer);
      }
      failures.clear();
      assertWithMessage(message.toString()).fail();
    }
  }

  static final class TestCloseable implements Closeable {

        fail("Expected failure with $exceptionMessage but got $result")
      } else {
        fail("Expected failure but got $result")
      }
    } catch (iae: IllegalArgumentException) {
      iae.printStackTrace()
      if (exceptionMessage != null) {
        assertThat(iae).hasMessage(exceptionMessage)
      }
    }
  }

  @Test
  fun parseTrimsAsciiWhitespace() {
    val expected = parse("http://host/")