abstract class Value<T> {
        public abstract boolean isExplicit();

        public abstract T get();

        /**
         * Creates the default value for an option.
         */
        public static <T> Value<T> defaultValue(final T value) {
            return new Value<T>() {
                @Override
                public boolean isExplicit() {
                    return false;
                }

				for _, r := range modFile.Require {
					isExplicit[r.Mod] = true
				}
			}

		}
		includeAllReplacements = true
	}
	if gover.Compare(gv, "1.17") >= 0 {
		// If the Go version is at least 1.17, annotate all modules with their
		// 'go' version directives.
		includeGoVersions = true
	}

	var vendorMods []module.Version
	for m := range isExplicit {
		vendorMods = append(vendorMods, m)
	}

        }
    }

    public void disallowChangesAndFinalizeOnNextGet() {
        disallowChanges();
        finalizeOnNextGet();
    }

    public abstract boolean isExplicit();

    /**
     * Retrieves the current convention.
     */
    public abstract S convention();

    /**
     * Marks this value as being explicitly set with

            // Can explicitly disable property using system property
            Option.Value<Boolean> option = options.getOption(new InternalFlag(flag.getSystemPropertyName()));
            if (option.isExplicit() || option.get()) {
                return option.get();
            }
        }
        return enabled.contains(flag);
    }

    @Override
    public void enable(FeatureFlag flag) {

        return new DefaultBuildFeature(isRequested, isActive);
    }

    private static ProviderInternal<Boolean> getRequestedProvider(Option.Value<Boolean> optionValue) {
        return Providers.ofNullable(optionValue.isExplicit() ? optionValue.get() : null);
    }

        init(initialValue, initialValue);
    }

    @Override
    public boolean isFinalized() {
        return state.isFinalized();
    }

    protected boolean isExplicit() {
        return state.isExplicit();
    }

    @Override
    public boolean calculatePresence(ValueConsumer consumer) {
        try (EvaluationContext.ScopeContext context = openScope()) {

    }

    private Configurer getConfigurer() {
        return new Configurer();
    }

    @VisibleForTesting
    protected boolean isExplicit() {
        return valueState.isExplicit();
    }

    /**

        // Isolated projects also implies configuration cache
        if (startParameter.isolatedProjects.get() && !startParameter.configurationCache.get()) {
            if (startParameter.configurationCache.isExplicit) {
                throw GradleException("The configuration cache cannot be disabled when isolated projects is enabled.")
            }
        }

            }
        }

        @Override
        public void write(Encoder encoder, Option.Value<Boolean> value) throws Exception {
            if (value.isExplicit() && value.get()) {
                encoder.writeByte(EXPLICIT_TRUE);
            } else if (value.isExplicit()) {
                encoder.writeByte(EXPLICIT_FALSE);
            } else if (value.get()) {
                encoder.writeByte(IMPLICIT_TRUE);

    private final Path identityPath;
    private final BuildDefinition buildDefinition;
    private final boolean isImplicit;
    private final IncludedBuildImpl model;

    public DefaultIncludedBuild(
        BuildIdentifier buildIdentifier,
        BuildDefinition buildDefinition,
        boolean isImplicit,
        BuildState owner,
        BuildTreeState buildTree,
        Instantiator instantiator
    ) {