}
                SAXException sax = new SAXException("Problem occurred while parsing ivy file: "
                        + ex.getMessage(), ex);
                sax.initCause(ex);
                throw sax;
            }
        }

        private void extendsStarted(Attributes attributes) throws ParseException {

   * least one {@code Throwable}) and calling the constructor via reflection. If the exception did
   * not already have a cause, one is set by calling {@link Throwable#initCause(Throwable)} on it.
   * If no such constructor exists, an {@code IllegalArgumentException} is thrown.
   *
   * @throws X if {@code get} throws any checked exception except for an {@code ExecutionException}

   * least one {@code Throwable}) and calling the constructor via reflection. If the exception did
   * not already have a cause, one is set by calling {@link Throwable#initCause(Throwable)} on it.
   * If no such constructor exists, an {@code IllegalArgumentException} is thrown.
   *
   * @throws X if {@code get} throws any checked exception except for an {@code ExecutionException}

                if (error != null) {
                    ProjectBuildingException e = new ProjectBuildingException(List.of(result));
                    e.initCause(error);
                    throw e;
                }

                return result;
            } finally {
                Thread.currentThread().setContextClassLoader(oldContextClassLoader);
            }

                    }
                    catch ( InterruptedException e ) {
                        InterruptedIOException ie = new InterruptedIOException("Interrupted while acquiring credits");
                        ie.initCause(e);
                        throw ie;
                    }
                }
                else {
                    // not enough credits available or too big, split

  private static CancellationException cancellationExceptionWithCause(
      String message, @CheckForNull Throwable cause) {
    CancellationException exception = new CancellationException(message);
    exception.initCause(cause);
    return exception;
  }

  private static CancellationException cancellationExceptionWithCause(
      String message, @CheckForNull Throwable cause) {
    CancellationException exception = new CancellationException(message);
    exception.initCause(cause);
    return exception;
  }