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
*/
	public synchronized ASTProvider getASTProvider() {
		if (fASTProvider == null)
			fASTProvider= new ASTProvider();
		
		return fASTProvider;
	}
		
	public synchronized MembersOrderPreferenceCache getMemberOrderPreferenceCache() {
		if (fMembersOrderPreferenceCache == null)
			fMembersOrderPreferenceCache= new MembersOrderPreferenceCache();
		return fMembersOrderPreferenceCache;
	}	
	/**
	 * Returns all Java editor text hovers contributed to the workbench.
	 * 
	 * @return an array of JavaEditorTextHoverDescriptor
	 * @since 2.1
	 */
	public JavaEditorTextHoverDescriptor[] getJavaEditorTextHoverDescriptors() {
		if (fJavaEditorTextHoverDescriptors == null) {
			fJavaEditorTextHoverDescriptors= JavaEditorTextHoverDescriptor.getContributedHovers();
			ConfigurationElementSorter sorter= new ConfigurationElementSorter() {
				/*
				 * @see org.eclipse.ui.texteditor.ConfigurationElementSorter#getConfigurationElement(java.lang.Object)
				 */
				public IConfigurationElement getConfigurationElement(Object object) {
					return ((JavaEditorTextHoverDescriptor)object).getConfigurationElement();
				}
			};