}

    @Override
    public Property<T> convention(@Nullable T value) {
        if (value == null) {
            setConvention(Providers.notDefined());
        } else {
            setConvention(Providers.fixedValue(getValidationDisplayName(), value, type, sanitizer));
        }
        return this;
    }

    @Override

    /**
     * Sets a new convention value, replacing the existing one if set.
     *
     * @param convention the new convention value
     */
    public abstract void setConvention(S convention);

    public abstract void disallowChanges();

    public abstract void finalizeOnNextGet();

    public abstract void disallowUnsafeRead();

    /**

    Class<? extends Plugin<Project>> getPluginClass();

    Class<? extends Plugin<Settings>> getRegisteringPluginClass();

    void addConvention(Convention<?> rule);

    List<Convention<?>> getConventions();

        return registeringPluginClass;
    }

    @Override
    public void addConvention(Convention<?> rule) {
        conventionRules.add(rule);
    }

    @Override
    public List<Convention<?>> getConventions() {
        return ImmutableList.copyOf(conventionRules);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }

        if (value == null) {
            setConvention(noValueSupplier());
        } else {
            setConvention(new CollectingSupplier(new EntriesFromMap<>(value), false));
        }
        return this;
    }

    @Override
    public MapProperty<K, V> convention(Provider<? extends Map<? extends K, ? extends V>> valueProvider) {

    public AbstractProperty(PropertyHost host) {
        state = ValueState.newState(host);
    }

    protected void init(S initialValue, S convention) {
        this.value = initialValue;
        this.state.setConvention(convention);
    }

    protected void init(S initialValue) {
        init(initialValue, initialValue);
    }

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

Method <org.gradle.api.Project.getConfigurations()> does not have raw return type assignable to org.gradle.api.provider.Provider in (Project.java:0)
Method <org.gradle.api.Project.getConvention()> does not have raw return type assignable to org.gradle.api.provider.Provider in (Project.java:0)

        if (elements == null) {
            unsetConvention();
        } else {
            setConvention(new CollectingSupplier(new ElementsFromCollection<>(elements)));
        }
        return this;
    }

    @Override
    public HasMultipleValues<T> convention(Provider<? extends Iterable<? extends T>> provider) {
        setConvention(new CollectingSupplier(new ElementsFromCollectionProvider<>(Providers.internal(provider))));

        filesWrapper = new PathSet();
        buildDependency = dependencyFactory.configurableDependency();
    }

    private void init(ValueCollector initialValue, ValueCollector convention) {
        this.valueState.setConvention(convention);
        this.value = initialValue;
    }

    protected void withActualValue(Action<Configurer> action) {
        setToConventionIfUnset();
        action.execute(getConfigurer());
    }