accessControllerName = ast.newSimpleName(AccessController.class.getSimpleName());
accessControllerName = ast.newSimpleName(TigerSubstitutes.getSimpleName(AccessController.class));
    protected MethodInvocation createDoPrivilegedInvocation(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {        AST ast = rewrite.getAST();        MethodInvocation doPrivilegedInvocation = ast.newMethodInvocation();        ClassInstanceCreation privilegedActionCreation = createPrivilegedActionCreation(rewrite, classLoaderCreation);        List<Expression> arguments = doPrivilegedInvocation.arguments();        Name accessControllerName;        if (isUpdateImports()) {            accessControllerName = ast.newSimpleName(AccessController.class.getSimpleName());        } else {            accessControllerName = ast.newName(AccessController.class.getName());        }        doPrivilegedInvocation.setExpression(accessControllerName);        doPrivilegedInvocation.setName(ast.newSimpleName("doPrivileged")); //$NON-NLS-1$        arguments.add(privilegedActionCreation);        return doPrivilegedInvocation;    }