typealias CMBlockBufferRef = CMBlockBuffer

class CMBlockBuffer {
}

typealias CMBufferQueueRef = CMBufferQueue

class CMBufferQueue {
}

typealias CMClockRef = CMClock

class CMClock {
}

typealias CMFormatDescriptionRef = CMFormatDescription

class CMFormatDescription {
}

typealias CMMemoryPoolRef = CMMemoryPool

class CMMemoryPool {
}

typealias CMSampleBufferRef = CMSampleBuffer

class CMSampleBuffer {
}

typealias CMSimpleQueueRef = CMSimpleQueue

class CMSimpleQueue {
}

typealias CMTimebaseRef = CMTimebase

class CMTimebase {
}

typealias CMAttachmentBearerRef = CMAttachmentBearer

typealias CMAttachmentBearer = CFTypeRef

typealias CMBufferRef = CMBuffer

typealias CMBuffer = CFTypeRef

typealias CMClosedCaptionFormatDescriptionRef = CMClosedCaptionFormatDescription

typealias CMClosedCaptionFormatDescription = CMFormatDescriptionRef

typealias CMTextFormatDescriptionRef = CMTextFormatDescription

typealias CMTextFormatDescription = CMFormatDescriptionRef