GetPodFullName returns a name that uniquely identifies a pod.

GetPodPriority return priority of the given pod.

GetUsedPorts returns the used host ports of Pods: if 'port' was used, a 'port:true' pair will be in the result; but it does not resolve port conflict.

HigherPriorityPod return true when priority of the first pod is higher than the second one.

PodPriorityEnabled indicates whether pod priority feature is enabled.

SortableList is a list that implements sort.Interface.

LessFunc is a function that receives two items and returns true if the first item should be placed before the second one when the list is sorted.