public static IConfigurationBuilder AddCosmosConfigurationProvider(this IConfigurationBuilder builder, string connectionString, IConfiguration configureOptions, Action <CosmosStorageOptions> configureDatabase = null, bool reloadOnChange = false, IConfiguration configSeed = null) { return(builder.AddCosmosConfigurationProvider(o => { DefaultStorageOptions(connectionString, o); configureDatabase?.Invoke(o); }, configureOptions.FastBind, reloadOnChange, configSeed)); }