Bug 82260 ResultCollector: remove dependency to internal J Core interface
I20050104-1600 Summary says it all.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/JavaPlugin.java
/**
	 * The AST provider.
	 * @since 3.0
	 */
	private ASTProvider fASTProvider;
	
	/**
	 * The combined preference store.
	 * @since 3.0
	 */
	private IPreferenceStore fCombinedPreferenceStore;
	
	/**
	 * The extension point registry for the <code>org.eclipse.jdt.ui.javaFoldingStructureProvider</code>
	 * extension point.
	 * 
	 * @since 3.0
	 */
	private JavaFoldingStructureProviderRegistry fFoldingStructureProviderRegistry;
	/**
	 * The shared Java properties file document provider.
	 * @since 3.1
	 */
	private IDocumentProvider fPropertiesFileDocumentProvider;
	
	public static JavaPlugin getDefault() {
		return fgJavaPlugin;
	}