DestinationConflictError occurs when multiple namespaces map to the same destination.

mongorestore first scans the directory to generate a list of all files to restore and what they map to.

FileNeedsIOBuffer is an interface that denotes that a struct needs an IO buffer that is managed by an outside control.

IntentPrioritizer encapsulates the logic of scheduling intents for restoration.

For sorting intents from largest to smallest size.

BySizeAndView attaches the methods for sort.Interface for sorting intents from largest to smallest size, taking into account if it's a view or not.

Returns the largest collection of the databases with the least active restores.