PSPDFUIKitMainThreadGuard
Taken from the commercial iOS PDF framework http://pspdfkit.com.
Copyright (c) 2014 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
Licensed under MIT (http://opensource.org/licenses/MIT)
Taken from the commercial iOS PDF framework http://pspdfkit.com.
Copyright (c) 2014 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
Licensed under MIT (http://opensource.org/licenses/MIT)