* involving any parameters to the calling method.
   *
   * @param expression a boolean expression
   * @throws IllegalStateException if {@code expression} is false
   * @see Verify#verify Verify.verify()
   */
  public static void checkState(boolean expression) {
    if (!expression) {
      throw new IllegalStateException();
    }
  }

  /**

    assertFailsWith<IllegalStateException> {
      setString(0, "A")
    }
    assertFailsWith<IllegalStateException> {
      newSource(0)
    }
    assertFailsWith<IllegalStateException> {
      newSink(0)
    }
    assertFailsWith<IllegalStateException> {
      commit()
    }
    assertFailsWith<IllegalStateException> {
      abort()
    }
  }

                        project.setReleaseArtifactRepository(repo);
                    }
                } catch (InvalidRepositoryException e) {
                    throw new IllegalStateException(
                            "Failed to create release distribution repository for " + project.getId(), e);
                }
            }

            // snapshot artifact repository

        if (request.isProcessPlugins()) {
            if (lifecycleBindingsInjector == null) {
                throw new IllegalStateException("lifecycle bindings injector is missing");
            }

            // lifecycle bindings injection
            resultModel = lifecycleBindingsInjector.injectLifecycleBindings(resultModel, request, problems);

      iterator.next();
      fail("Expected NoSuchElementException");
    } catch (NoSuchElementException expected) {
    }
    try {
      iterator.remove();
      fail("Expected IllegalStateException");
    } catch (IllegalStateException expected) {
    }
  }

  public void testSize0() {
    Iterator<String> iterator = Iterators.emptyIterator();
    assertEquals(0, Iterators.size(iterator));
  }

      iterator.next();
      fail("Expected NoSuchElementException");
    } catch (NoSuchElementException expected) {
    }
    try {
      iterator.remove();
      fail("Expected IllegalStateException");
    } catch (IllegalStateException expected) {
    }
  }

  public void testSize0() {
    Iterator<String> iterator = Iterators.emptyIterator();
    assertEquals(0, Iterators.size(iterator));
  }

  private val sslSocketFactoryOrNull: SSLSocketFactory?

  @get:JvmName("sslSocketFactory")
  val sslSocketFactory: SSLSocketFactory
    get() = sslSocketFactoryOrNull ?: throw IllegalStateException("CLEARTEXT-only client")

  @get:JvmName("x509TrustManager")
  val x509TrustManager: X509TrustManager?

  @get:JvmName("connectionSpecs")
  val connectionSpecs: List<ConnectionSpec> =

    }

    /**
     * @since 4.0.0
     * @return the rootDirectory for this project
     * @throws IllegalStateException if the rootDirectory cannot be found
     */
    public Path getRootDirectory() {
        if (rootDirectory == null) {
            throw new IllegalStateException(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE);
        }
        return rootDirectory;
    }

   * @throws IllegalStateException if the {@code Future} is not done
   * @since 20.0
   */
  @CanIgnoreReturnValue
  // TODO(cpovirk): Consider calling getDone() in our own code.
  @ParametricNullness
  public static <V extends @Nullable Object> V getDone(Future<V> future) throws ExecutionException {
    /*

  /**
   * When writing a set of headers fails due to an `IOException`, make sure the writer is left
   * in a consistent state so the next writer also gets an `IOException` also instead of
   * something worse (like an [IllegalStateException].
   *
   *
   * See https://github.com/square/okhttp/issues/1651
   */
  @Test fun socketExceptionWhileWritingHeaders() {
    peer.acceptFrame() // SYN_STREAM.
    peer.play()