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
private FilterCopy filter;
	protected Button includeButton;
	protected Button excludeButton;
	protected Button filesButton;
	protected Button foldersButton;
	protected Button filesAndFoldersButton;
	protected Combo idCombo;
	protected Button inherited;
	protected Text arguments;
	protected Label argumentsLabel;
	protected Label description;
	protected FilterTypeUtil util;
	/**
	 * Constructor for FilterEditDialog.
	 *