 import ClientCore
 import Networking
 import MJLLogger
+import GRDB
 
 // siftlint:disable cyclomatic_complexity
 

}

extension PreviewChunkCache {
	func saveCache() {
	}
}

		self.workspace = workspace
		self._document = Property<RmdDocument?>(documentProperty)
		NotificationCenter.default.addObserver(self, selector: #selector(documentUpdated), name: .rmdDocumentUpdated, object: self.document)
		readCache()
	}
	
	deinit {
		saveCache()
	}
	
	/// called when the document's content was updated
	@objc func documentUpdated(note: Notification) {
		guard var changedIndexes = note.userInfo?[RmdDocument.changedIndexesKey] as? [Int] else {
