type GPUManager interface {
	// Start logically initializes GPUManager
	Start() error
	// Capacity returns the total number of GPUs on the node.
	Capacity() v1.ResourceList
	// AllocateGPU attempts to allocate GPUs for input container.
	// Returns paths to allocated GPUs and nil on success.
	// Returns an error on failure.
	AllocateGPU(*v1.Pod, *v1.Container) ([]string, error)
}