'IReadRepository<Product>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IReadRepository<Product>' could be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'OrderedSpecificationBuilder<>' could not be found (are you missing a using directive or an assembly reference?)

'IRepository<Product>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IRepository<Product>' could be found (are you missing a using directive or an assembly reference?)

'IReadRepository<Brand>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IReadRepository<Brand>' could be found (are you missing a using directive or an assembly reference?)

'IRepository<Brand>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IRepository<Brand>' could be found (are you missing a using directive or an assembly reference?)

'IRepository<Brand>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IRepository<Brand>' could be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'OrderedSpecificationBuilder<>' could not be found (are you missing a using directive or an assembly reference?)

'IReadRepository<Product>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IReadRepository<Product>' could be found (are you missing a using directive or an assembly reference?)

'IReadRepository<Product>' does not contain a definition for 'GetBySpecAsync' and no accessible extension method 'GetBySpecAsync' accepting a first argument of type 'IReadRepository<Product>' could be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'OrderedSpecificationBuilder<>' could not be found (are you missing a using directive or an assembly reference?)

Argument of type 'Expression<Func<T, string>>' cannot be used for parameter 'selector' of type 'Expression<Func<T, string?>>' in 'SearchExpressionInfo<T>.SearchExpressionInfo(Expression<Func<T, string?>> selector, string searchTerm, int searchGroup = 1)' due to differences in the nullability of reference types.

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

Argument of type 'Expression<Func<T, string>>' cannot be used for parameter 'selector' of type 'Expression<Func<T, string?>>' in 'SearchExpressionInfo<T>.SearchExpressionInfo(Expression<Func<T, string?>> selector, string searchTerm, int searchGroup = 1)' due to differences in the nullability of reference types.

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'

'ISingleResultSpecification' is obsolete: 'Use ISingleResultSpecification<T> instead. This interface will be removed in a future version of Ardalis.Specification.'