ViewStateProtocol protocol

ViewStateProtocol.swift

protocol ViewStateProtocol: class {
    var stateManager: StateManager? { get }
    
    var loadingView: UIView? { get }
    var errorView: UIView? { get }
    var emptyView: UIView? { get }
    
    var errorMessage: String? { get set }
    func addView(withState state: StatesType)
}