given:
        property.set(toMutable(["abc"]))
        property.addAll("${'321'.substring(2)}")

        expect:
        assertValueIs(["abc", "1"])
    }

    def "appends zero or more values from provider #value using addAll"() {
        given:
        property.addAll(Providers.of(value))

        expect:

    override fun getPossibleCallableNames(): Set<Name> = buildSet {
        addAll(firstWrappedScope.getPossibleCallableNames())
        addAll(secondWrappedScope.getPossibleCallableNames())
    }

    override fun getPossibleClassifierNames(): Set<Name> = buildSet {
        addAll(firstWrappedScope.getPossibleClassifierNames())
        addAll(secondWrappedScope.getPossibleClassifierNames())
    }

    override fun getResolutionScope(module: KtModule): GlobalSearchScope {
        val allModules = topologicalSort(listOf(module)) {
            buildList {
                addAll(directDependsOnDependencies)
                addAll(directFriendDependencies)
                addAll(directRegularDependencies)
            }
        }

        return GlobalSearchScope.union(allModules.map { it.contentScope })
    }

        this.buildLayoutFactory = buildLayoutFactory;
        allBuildOptions.addAll(new BuildLayoutParametersBuildOptions().getAllOptions());
        allBuildOptions.addAll(new StartParameterBuildOptions().getAllOptions());
        allBuildOptions.addAll(new LoggingConfigurationBuildOptions().getAllOptions()); // TODO maybe a new converter also here
        allBuildOptions.addAll(new WelcomeMessageBuildOptions().getAllOptions()); // TODO maybe a new converter also here

        List<File> modulePath = new ArrayList<>();

        if (runAsModule) {
            modulePath.addAll(workerMainClassPath);
        } else {
            classpath.addAll(workerMainClassPath);
        }
        modulePath.addAll(applicationModulePath);
        classpath.addAll(applicationClasspath);

        if (!modulePath.isEmpty() && implementationModulePath != null && !implementationModulePath.isEmpty()) {

                return new DefaultInternalJvmTestRequest(testClass, null, null);
            }
        });
        internalJvmTestRequests.addAll(newRequests);
        testClassNames.addAll(CollectionUtils.toList(testClasses));
        return this;
    }

    @Override
    public TestLauncher withJvmTestMethods(String testClass, String... methods) {

      super.addAll(elements);
      return this;
    }

    @CanIgnoreReturnValue
    Builder<E> combine(Builder<E> builder) {
      contents.addAll(builder.contents);
      return this;
    }

    @Override
    public ImmutableSet<E> build() {
      return copyOf(contents.iterator());
    }
  }

    public final void addAll(T... elements) {
        getConfigurer(false).addAll(elements);
    }

    @Override
    public void addAll(Iterable<? extends T> elements) {
        getConfigurer(false).addAll(elements);
    }

    @Override
    public void addAll(Provider<? extends Iterable<? extends T>> provider) {
        getConfigurer(false).addAll(provider);
    }

    @Override

                    }
                }
            }

            addAll(collectGeneratedTopLevelClassifiers(packageFqName, analysisSession.useSiteSession))
        }
    }

    internal fun getTopLevelCallableNamesInPackageProvider(packageFqName: FqName, analysisSession: KaFirSession): Set<Name> {
        return buildSet {
            addAll(

        }

        if (!caseInsensitiveMatches.isEmpty()) {
            matches.addAll(caseInsensitiveMatches);
        } else if (!caseSensitiveCamelCaseMatches.isEmpty()) {
            matches.addAll(caseSensitiveCamelCaseMatches);
        } else if (kebabCaseMatches.isEmpty() && kebabCasePrefixMatches.isEmpty()) {
            matches.addAll(caseInsensitiveCamelCaseMatches);
        }

        if (!kebabCaseMatches.isEmpty()) {