GetContainerPorts 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.

GetEarliestPodStartTime returns the earliest start time of all pods that have the highest priority among all victims.

GetPodFullName returns a name that uniquely identifies a pod.

GetPodStartTime returns start time of the given pod.

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

NewErrorChannel returns a new ErrorChannel.

ErrorChannel supports non-blocking send and receive operation to capture error.

RealClock implements a clock using time.

Clock provides an interface for getting the current time.