Bug 92563 [content assist] Warm code assist performance for many types
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/text/java/CompletionProposalCollector.java
protected final ICompilationUnit getCompilationUnit() {
		return fCompilationUnit;
	}
	/**
	 * Returns the <code>CompletionContext</code> for this completion operation.
	 *
	 * @return the <code>CompletionContext</code> for this completion operation
	 * @see CompletionRequestor#acceptContext(CompletionContext)
	 */
	protected final CompletionContext getContext() {
		return fContext;
	}
	/**
	 * Returns a cached image for the given descriptor.
	 *
	 * @param descriptor the image descriptor to get an image for, may be
	 *        <code>null</code>
	 * @return the image corresponding to <code>descriptor</code>
	 */
	protected final Image getImage(ImageDescriptor descriptor) {
		return (descriptor == null) ? null : fRegistry.get(descriptor);
	}
	/**
	 * Returns the proposal label provider used by the receiver.
	 *
	 * @return the proposal label provider used by the receiver
	 */
	protected final CompletionProposalLabelProvider getLabelProvider() {
		return fLabelProvider;
	}