Bug 92563 [content assist] Warm code assist performance for many types
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/ParameterGuessingProposal.java
ensurePositionCategoryRemoved(document);
			JavaPlugin.log(e);
			openErrorDialog(e);
		}
	}
	/**
	 * Returns the currently active java editor, or <code>null</code> if it
	 * cannot be determined.
	 *
	 * @return  the currently active java editor, or <code>null</code>
	 */
	private JavaEditor getJavaEditor() {
		IEditorPart part= JavaPlugin.getActivePage().getActiveEditor();
		if (part instanceof JavaEditor)
			return (JavaEditor) part;
		else
			return null;
	}
	private ICompletionProposal[][] guessParameters(int offset, IDocument document, Position[] positions) throws JavaModelException {
		
		
		
		
		
		
		
		
		
		
		fChoices= new ICompletionProposal[fParameterNames.length][];