private static bool OnBuildAsCosmosCallback(ContextConnection.Builder builder, out ContextConnection conn)
 {
     conn = new ContextConnectionCosmos(builder);
     return(true);
 }
        private static bool OnBuildFromConnectionStringCallback(ContextConnection.Builder builder, out ContextConnection conn)
        {
            var  aux     = new ContextConnectionString(builder);
            bool isValid = aux.IsValid();

            conn = isValid ? aux : default;
            return(isValid);
        }
 private static bool OnBuildAsSqliteCallback(ContextConnection.Builder builder, out ContextConnection conn)
 {
     conn = new ContextConnectionSqlite(builder);
     return(true);
 }