public LambdaExpression GetValidateLambdaExpression(DataAccessModelConfiguration configuration, PropertyInfo propertyInfo) { return(this.ValidateExpression == null ? null : ComputedExpressionParser.Parse(this.ValidateExpression, propertyInfo, ComputedMemberAttribute.GetReferencedTypes(configuration, propertyInfo, this.ReferencedTypes?.ConcatUnlessNull(this.ReferencedType).ToArray()), typeof(bool))); }