{"comment":{"url":"https://api.github.com/repos/luboshl/trackable-entities/comments/15628175","html_url":"https://github.com/luboshl/trackable-entities/commit/99ac84896ca29c029a2c9a6ec8734847e34f125f#commitcomment-15628175","id":15628175,"user":{"login":"tonysneed","id":2836367,"avatar_url":"https://avatars.githubusercontent.com/u/2836367?v=3","gravatar_id":"","url":"https://api.github.com/users/tonysneed","html_url":"https://github.com/tonysneed","followers_url":"https://api.github.com/users/tonysneed/followers","following_url":"https://api.github.com/users/tonysneed/following{/other_user}","gists_url":"https://api.github.com/users/tonysneed/gists{/gist_id}","starred_url":"https://api.github.com/users/tonysneed/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tonysneed/subscriptions","organizations_url":"https://api.github.com/users/tonysneed/orgs","repos_url":"https://api.github.com/users/tonysneed/repos","events_url":"https://api.github.com/users/tonysneed/events{/privacy}","received_events_url":"https://api.github.com/users/tonysneed/received_events","type":"User","site_admin":false},"position":250,"line":668,"path":"Source/TrackableEntities.EF.5/DbContextExtensions.cs","commit_id":"99ac84896ca29c029a2c9a6ec8734847e34f125f","created_at":"2016-01-23T05:39:36Z","updated_at":"2016-01-23T05:39:36Z","body":"Rather than return `RelationshipType?`, let's just return `RelationshipType` and throw exceptions instead of returning null.  Perhaps our best bet would be an `ArgumentException` (https://msdn.microsoft.com/en-us/library/system.argumentexception(v=vs.110).aspx)?"}}