bootstrapper_backend/BootstrapperData

actor class BootstrapperData(initialOwner : Principal)

type PubKey = Blob

`public func changeOwner(newOwner : Principal)`

type FrontendTweaker = { frontend : Principal; user : Principal }

`public func setOwner(newOwner : Principal)`

`public func putFrontendTweaker(pubKey : Blob, tweaker : FrontendTweaker) : async ()`

`public func getFrontendTweaker(pubKey : PubKey) : async FrontendTweaker`

`public func deleteFrontendTweaker(pubKey : PubKey) : async ()`