try {
        Method method = IntFunction.class.getMethod("apply", int.class);
        return (IntFunction<Object>) v -> getDefaultValue(type.method(method).getReturnType());
      } catch (NoSuchMethodException e) {
        throw newLinkageError(e);
      }
    } else if (rawType.equals(Consumer.class)) {
      return (Consumer<Object>) v -> {};
    } else {
      return null;
    }
  }

            assertNotNull(maxKeyMethod, "maxKey() method should exist");
            assertEquals("maxKey() return type should be String", String.class, maxKeyMethod.getReturnType());
        } catch (final NoSuchMethodException e) {
            fail("Required annotation method not found: " + e.getMessage());
        }
    }

    // Test creating custom implementation of annotation
    @Test

      Method method = Reference.class.getMethod("reachabilityFence", Object.class);
      method.invoke(null, FileBackedOutputStream.class); // to make sure the method is accessible
      return true;
    } catch (NoSuchMethodException | IllegalAccessException probablyBeforeJava9OrAndroid28) {
      /*
       * It's theoretically possible for Reference.reachabilityFence to exist under older VMs in an
       * inaccessible form.
       */

        Invokable<Prepender, Object> invokable =
            (Invokable<Prepender, Object>) Invokable.from(method);
        return invokable;
      } catch (NoSuchMethodException e) {
        throw new IllegalArgumentException(e);
      }
    }

    private void privateMethod() {}

    private final void privateFinalMethod() {}

    static void staticMethod() {}

  static Method getStartFinalizer(Class<?> finalizer) {
    try {
      return finalizer.getMethod(
          "startFinalizer", Class.class, ReferenceQueue.class, PhantomReference.class);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }

  private static boolean isAndroid() {
    return requireNonNull(System.getProperty("java.runtime.name", "")).contains("Android");
  }

      return arbitraryConstantInstanceOrNull(type);
    }
    Constructor<T> constructor;
    try {
      constructor = type.getConstructor();
    } catch (NoSuchMethodException e) {
      return arbitraryConstantInstanceOrNull(type);
    }
    constructor.setAccessible(true); // accessibility check is too slow
    try {
      return constructor.newInstance();

  static Method getStartFinalizer(Class<?> finalizer) {
    try {
      return finalizer.getMethod(
          "startFinalizer", Class.class, ReferenceQueue.class, PhantomReference.class);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }

  private static boolean isAndroid() {
    return requireNonNull(System.getProperty("java.runtime.name", "")).contains("Android");
  }

       * NullPointerTester tests that they have.
       */
      ignoredMembers.add(Converter.class.getMethod("apply", Object.class));
    } catch (NoSuchMethodException shouldBeImpossible) {
      // Fine: If it doesn't exist, then there's no chance that we're going to be asked to test it.
    }

    /*

          Class.forName("com.google.appengine.api.ThreadManager")
              .getMethod("currentRequestThreadFactory")
              .invoke(null);
    } catch (IllegalAccessException | ClassNotFoundException | NoSuchMethodException e) {
      throw new RuntimeException("Couldn't invoke ThreadManager.currentRequestThreadFactory", e);
    } catch (InvocationTargetException e) {
      // `currentRequestThreadFactory` has no `throws` clause.

                try {
                    Method setHttpHeaders = wagon.getClass().getMethod("setHttpHeaders", Properties.class);
                    setHttpHeaders.invoke(wagon, headers);
                } catch (NoSuchMethodException e) {
                    // normal for non-http wagons
                } catch (Exception e) {
                    logger.debug("Could not set user agent for wagon "