public IEnumerable <ValidationError> Visit(AssetsFieldProperties properties) { if (IsMaxGreaterThanMin(properties.MaxItems, properties.MinItems)) { yield return(new ValidationError(Not.GreaterEqualsThan(nameof(properties.MaxItems), nameof(properties.MinItems)), nameof(properties.MinItems), nameof(properties.MaxItems))); } if (IsMaxGreaterThanMin(properties.MaxHeight, properties.MinHeight)) { yield return(new ValidationError(Not.GreaterEqualsThan(nameof(properties.MaxHeight), nameof(properties.MinHeight)), nameof(properties.MaxHeight), nameof(properties.MinHeight))); } if (IsMaxGreaterThanMin(properties.MaxWidth, properties.MinWidth)) { yield return(new ValidationError(Not.GreaterEqualsThan(nameof(properties.MaxWidth), nameof(properties.MinWidth)), nameof(properties.MaxWidth), nameof(properties.MinWidth))); } if (IsMaxGreaterThanMin(properties.MaxSize, properties.MinSize)) { yield return(new ValidationError(Not.GreaterThan(nameof(properties.MaxSize), nameof(properties.MinSize)), nameof(properties.MaxSize), nameof(properties.MinSize))); } if (properties.AspectWidth.HasValue != properties.AspectHeight.HasValue) { yield return(new ValidationError(Not.BothDefined(nameof(properties.AspectWidth), nameof(properties.AspectHeight)), nameof(properties.AspectWidth), nameof(properties.AspectHeight))); } }