* addSuppressed(Throwable) mechanism.
   */
  private static final Suppressor SUPPRESSING_SUPPRESSOR =
      (closeable, thrown, suppressed) -> {
        // ensure no exceptions from addSuppressed
        if (thrown == suppressed) {
          return;
        }
        try {
          thrown.addSuppressed(suppressed);
        } catch (Throwable e) {
          /*

          }
        }
        return plan.handleSuccess()
      } catch (e: IOException) {
        if (firstException == null) {
          firstException = e
        } else {
          firstException.addSuppressed(e)
        }
        if (!routePlanner.hasNext()) {
          throw firstException
        }
      }
    }
  }

                }
            }
        }
        if (!exceptions.isEmpty()) {
            IllegalStateException ex = new IllegalStateException("Could not close commandRegistries");
            exceptions.forEach(ex::addSuppressed);
            throw ex;
        }
    }

        Exception suppressed1 = new IllegalArgumentException("Suppressed 1");
        Exception suppressed2 = new IOException("Suppressed 2");
        mainException.addSuppressed(suppressed1);
        mainException.addSuppressed(suppressed2);

        Throwable[] suppressedExceptions = mainException.getSuppressed();
        assertEquals(2, suppressedExceptions.length);

          logger.log(Level.INFO, "exception thrown during tearDown", t);
        } else {
          if (exception == null) {
            exception = t;
          } else {
            exception.addSuppressed(t);
          }
        }
      }
    }
    if (exception != null) {
      throwIfUnchecked(exception);
      throw new RuntimeException("failure during tearDown", exception);
    }
  }

          logger.log(Level.INFO, "exception thrown during tearDown", t);
        } else {
          if (exception == null) {
            exception = t;
          } else {
            exception.addSuppressed(t);
          }
        }
      }
    }
    if (exception != null) {
      throwIfUnchecked(exception);
      throw new RuntimeException("failure during tearDown", exception);
    }
  }

            }
        }
        if (!exceptions.isEmpty()) {
            InvokerException exception = new InvokerException("Could not cleanly shut down context pool");
            exceptions.forEach(exception::addSuppressed);
            throw exception;
        }
    }

    @Override
    protected MavenContext createContext(InvokerRequest invokerRequest) {

        openKotlinCompilationUnitsByRoot.clear()
        if (errors.isNotEmpty()) {
            throw Exception("Sources repository did not close cleanly").apply {
                errors.forEach(this::addSuppressed)
            }
        }
    }

    /**
     * @return the source file and it's source root
     */
    fun sourceFileAndSourceRootFor(sourceFilePath: String): Pair<File, File> =

        if (throwable != null) {
          if (throwable !is IOException) throw throwable
          if (firstException == null) {
            firstException = throwable
          } else {
            firstException.addSuppressed(throwable)
          }
        }

        val nextPlan = connectResult.nextPlan
        if (nextPlan != null) {
          // Try this plan's successor before deferred plans because it won the race!

                }
            }
        }
        if (causes != null) {
            InvokerException exception = new InvokerException("Unable to close context");
            causes.forEach(exception::addSuppressed);
            throw exception;
        }
    }

    public final void closeContainer() throws Exception {
        if (containerCapsuleManaged) {
            doCloseContainer();
        }
    }