* Discards any cached values for keys {@code keys}.
   *
   * @since 11.0
   */
  // For discussion of <? extends Object>, see getAllPresent.
  void invalidateAll(Iterable<? extends Object> keys);

  /** Discards all entries in the cache. */
  void invalidateAll();

  /** Returns the approximate number of entries in this cache. */
  long size();

  /**

                userHomeServiceRegistry.getCurrentServices().ifPresent(serviceRegistry -> {
                    VirtualFileSystem virtualFileSystem = serviceRegistry.get(VirtualFileSystem.class);
                    virtualFileSystem.invalidateAll();
                });
            }
        }
    }

    @Override
    public void stop() {
        // If we are shutting down, it's not important to finish cleaning the VFS
        executor.shutdownNow();

            }
            versionHierarchyRoot = newVersionHierarchyRoot;
            return result;
        });
    }

    @Override
    public void invalidateAll() {
        LOGGER.debug("Invalidating the whole VFS");
        invalidate(Collections.singletonList(VfsRelativePath.ROOT));
    }

    /**

    getAll(cache, asList(46));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).contains(0);
  }

  public void testEviction_invalidateAll() {
    // test that .invalidateAll() resets total weight state correctly
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache =
        CacheBuilder.newBuilder().concurrencyLevel(1).maximumSize(10).build(loader);

        } catch (final ExecutionException e) {
            logger.warn("Failed to load popular words.", e);
        }
        return Collections.emptyList();
    }

    public void clearCache() {
        cache.invalidateAll();
    }

    protected String getCacheKey(final String seed, final String[] tags, final String[] roles, final String[] fields,
            final String[] excludes) {

   * Discards any cached values for keys {@code keys}.
   *
   * @since 11.0
   */
  // For discussion of <? extends Object>, see getAllPresent.
  void invalidateAll(Iterable<? extends Object> keys);

  /** Discards all entries in the cache. */
  void invalidateAll();

  /** Returns the approximate number of entries in this cache. */
  long size();

  /**

    private static void dropVirtualFileSystemIfRequested(InternalOptions options, BuildLifecycleAwareVirtualFileSystem virtualFileSystem) {
        if (VirtualFileSystemServices.isDropVfs(options)) {
            virtualFileSystem.invalidateAll();
        }
    }

        }

        if (!warnings.isEmpty()) {
            LOGGER.info("Invalidating VFS because {} failed validation", work.getDisplayName());
            virtualFileSystem.invalidateAll();
        }

        return delegate.execute(work, new ValidationFinishedContext(context, warnings));
    }

    getAll(cache, asList(46));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).contains(0);
  }

  public void testEviction_invalidateAll() {
    // test that .invalidateAll() resets total weight state correctly
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache =
        CacheBuilder.newBuilder().concurrencyLevel(1).maximumSize(10).build(loader);

            convertToSingleLine(renderMinimalInformationAbout(warnings.first(), false, false)) == expectedWarning
        })
        1 * virtualFileSystem.invalidateAll()

        then:
        1 * delegate.execute(work, { ValidationFinishedContext context ->
            convertToSingleLine(renderMinimalInformationAbout(context.validationProblems.first(), false, false)) == expectedWarning