import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IPathVariableManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IPathVariableManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceFilterDescription;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceFilterDescription;
import org.eclipse.core.runtime.content.IContentTypeMatcher;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.content.IContentTypeMatcher;
import org.eclipse.core.runtime.jobs.ISchedulingRule;