import org.eclipse.jdt.internal.codeassist.InternalCompletionProposal; //导入依赖的package包/类
private static void copyNameLookupAndCompletionEngine(CompletionProposalCollector completionProposalCollector, IJavaCompletionProposal proposal,
		InternalCompletionProposal newProposal) {
	
	try {
		InternalCompletionContext context = (InternalCompletionContext) Reflection.contextField.get(completionProposalCollector);
		InternalExtendedCompletionContext extendedContext = (InternalExtendedCompletionContext) Reflection.extendedContextField.get(context);
		LookupEnvironment lookupEnvironment = (LookupEnvironment) Reflection.lookupEnvironmentField.get(extendedContext);
		Reflection.nameLookupField.set(newProposal, ((SearchableEnvironment) lookupEnvironment.nameEnvironment).nameLookup);
		Reflection.completionEngineField.set(newProposal, lookupEnvironment.typeRequestor);
	} catch (IllegalAccessException ignore) {
		// ignore
	}
}
 

import org.eclipse.jdt.internal.codeassist.InternalCompletionProposal; //导入依赖的package包/类
/**
 * Creates a basic completion proposal. All instance
 * field have plausible default values unless otherwise noted.
 * <p>
 * Note that the constructors for this class are internal to the
 * Java model implementation. Clients cannot directly create
 * CompletionProposal objects.
 * </p>
 *
 * @param kind one of the kind constants declared on this class
 * @param completionOffset original offset of code completion request
 * @return a new completion proposal
 */
public static CompletionProposal create(int kind, int completionOffset) {
	return new InternalCompletionProposal(kind, completionOffset);
}