import org.gradle.plugins.ide.eclipse.model.EclipseModel;
import org.gradle.tooling.provider.model.ToolingModelBuilder;

import java.util.ArrayList;
import java.util.List;

public class RunEclipseTasksBuilder implements ToolingModelBuilder {

    @Override
    public boolean canBuild(String modelName) {
        return isSyncModel(modelName) || isAutoBuildModel(modelName);
    }

    @Override

                    registry.register(new RunBuildDependenciesTaskBuilder());
                    registry.register(new RunEclipseTasksBuilder());
                    registry.register(new EclipseModelBuilder(gradleProjectBuilder, projectStateRegistry));
                    registry.register(ideaModelBuilder);

Class <org.gradle.plugins.ide.internal.tooling.RunEclipseTasksBuilder> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (RunEclipseTasksBuilder.java:0)
Class <org.gradle.plugins.ide.internal.tooling.TasksFactory> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (TasksFactory.java:0)