SwiftUI MVVM architectures - Dao protocol

WordsetCategoriesDao.swift

public protocol WordsetCategoryDaoProtocol {
    
    // DaoProtocol
    func insert(_ e: WordsetCategoryDTO) -> Future<WordsetCategory, Error>
    func delete(_ e: WordsetCategoryDTO) ->  Future<Int, Error>
    func update(_ e: WordsetCategoryDTO) ->  Future<WordsetCategory, Error>
    func load(id: String) -> Future<WordsetCategory, Error>
    
    // WordsetCategoryDaoProtocol
    func update(_ entities: [WordsetCategoryDTO]) -> Future<UpdateResult, Error>
}