Bug 291755 [Filters] Filters implementation and API cleanup
This bug is raised to track reviewing and cleanup of filters API and implementation.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
if (original != null) {
			return !((arguments == null ? (original.getArguments() == null)
					: arguments.equals(original.getArguments()))
					&& id.equals(original.getId()) && type == original
					.getType());
		}
		return true;
	}
	public FilterCopy() {
		path = null;
		project = null;
		type = IResourceFilter.FILES | IResourceFilter.INCLUDE_ONLY;
		id = FilterTypeUtil.getDefaultFilterID();
	}
	public String getArguments() {
		return arguments;
	}
	public String getId() {
		return id;
	}
	public IPath getPath() {
		return path;
	}
	public IProject getProject() {
		return project;
	}
	public int getType() {
		return type;
	}
	public void setArguments(String arguments) {