Get returns all related phy objects for provided root object ID in split-chain order, without linking object id.

ErrNoLeftSibling is an error that must be returned if object doesn't have left sibling in objects chain.

ErrNoSplitInfo is an error that must be returned if requested object isn't virtual.

Tokens contains different tokens to perform requests in Relations implementations.

Executor describes all methods required to find all siblings for object.

HeadExecutor describes methods to get object head.

SearchExecutor describes methods to search objects.