Cannot find 'CallKitProviderDelegate' in scope from AppDelegate

I'm trying to implement SIP calls within VialerSIPLib

Im newbie in ios development.

I have successfully run example project but I have an issue when trying to add library into my project.

Installation instruction is saying that all we need to do is install lib with CocoaPods. For a testing I have created new project from the scratch and install/update pod 

Code Block
pod 'VialerSIPLib' 


but still I'm unable to use library in AppDelegate.

Code Block
Cannot find 'CallKitProviderDelegate' in scope.


How can I make AppDelegate to see pod dependencies ?

I'm using xcode 12 and swift 5. Target os is 14.0
Any help appreciated. Thanks in advance
Cannot find 'CallKitProviderDelegate' in scope from AppDelegate
 
 
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