This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 123]

CRealmResults< T >.ChangeSet	A ChangeSet describes the changes inside a RealmResults<T> since the last time the notification callback was invoked.
CRealm	A Realm instance (also referred to as a realm) represents a Realm database.
CRealmConfiguration	Realm configuration specifying settings that affect your Realm behaviour.
▼CRealmException	Base for Realm specific exceptions. Use only for catching.
▼CRealmFileAccessErrorException	Base for catching exceptions with Realm files, typically problems from which an app would recover.
CRealmFileExistsException	Exception thrown when a file exists with the same name as you to create a new one.
CRealmFileNotFoundException	Exception thrown when a file doesn't exist when trying to open without a create option.
CRealmInvalidDatabaseException	Exception thrown when a file exists but doesn't appear to be a Realm database, may indicate corruption.
CRealmMigrationNeededException	Exception when you can't open an existing realm file because the format differs from your current class declarations.
CRealmPermissionDeniedException	Exception when you can't open an existing realm file, or create a new one.
CRealmObjectAlreadyManagedByRealmException	Exception thrown when you're trying to use Manage but the object has already been added to this Realm.
CRealmObjectManagedByAnotherRealmException	Exception thrown when you're trying to use Manage but the object is already managed by a different Realm.
CRealmOutOfMemoryException	Exception when Realm's run out of memory, shut down your application rather than trying to continue.
CRealmOutsideTransactionException	Exception when you try to Add, update or Remove a persisted object without a write transaction active.
CRealmList< T >	Return type for a managed object property when you declare a to-many relationships with IList.
CRealmObject	Base for any object that can be persisted in a Realm.
CRealmResults< T >	Iterable, sortable collection of one kind of RealmObject resulting from Realm.All() or from a LINQ query expression.
CTransaction	Provides a scope to safely read and write to a Realm. Must use explicitly via Realm.BeginWrite.