| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| hash/crc32 | Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum. |
| k8s.io/apimachinery/pkg/apis/meta/v1 | Package v1 contains API types that are common to all versions. |
| k8s.io/apimachinery/pkg/types | Package types implements various generic types used throughout kubernetes. |
| k8s.io/apimachinery/pkg/util/sets | Package sets has generic set and specified sets. |
| k8s.io/kubernetes/pkg/kubelet/checkpointmanager | |
| k8s.io/kubernetes/pkg/kubelet/checkpointmanager/errors | |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |