public static SpecificationList <TEntity> AndIsValidAsync <TEntity>(this SpecificationList <TEntity> specification, Func <TEntity, Task <bool> > selector) => specification.AndIsValidAsync(selector, c => true, false, "Invalid value", null);
public static SpecificationList <TEntity> AndIsValidAsync <TEntity>(this SpecificationList <TEntity> specification, Func <TEntity, Task <bool> > selector, bool condition, string message, params object[] args) => specification.AndIsValidAsync(selector, c => condition, false, message, args);