public static IMappingExpression <T1, T2> EqualityById <T1, T2>(this IMappingExpression <T1, T2> mappingExpression)
where T1 : class, IEntity
where T2 : class, IEntity
=> mappingExpression.EqualityComparison((one, two) => one.Id == two.Id);
public static IMappingExpression <T1, T2> EqualityInsertOnly <T1, T2>(this IMappingExpression <T1, T2> mappingExpression)
where T1 : class
where T2 : class
=> mappingExpression.EqualityComparison((one, two) => false);
