| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/gogo/protobuf/proto | Package proto converts data structures to and from the wire format of protocol buffers. |
| github.com/mesos/mesos-go/api/v1/lib | Package mesos presents common v1 HTTP API message types in addition to extension APIs that aim to simplify use of the machine-generated code. |
| github.com/mesos/mesos-go/api/v1/lib/resourcefilters | |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |