# Functions
RegisterVolumeSchedulingMetrics is used for scheduler, because the volume binding cache is a library used by scheduler process.
# Constants
VolumeSchedulerSubsystem - subsystem name used by scheduler.
# Variables
VolumeBindingRequestSchedulerBinderCache tracks the number of volume binder cache operations.
VolumeSchedulingStageFailed tracks the number of failed volume scheduling operations.
VolumeSchedulingStageLatency tracks the latency of volume scheduling operations.