| 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. |
| github.com/opentracing/opentracing-go | |
| github.com/opentracing/opentracing-go/ext | |
| github.com/uber/jaeger-client-go | Package jaeger implements an OpenTracing (http://opentracing.io) Tracer. |
| github.com/uber/jaeger-client-go/crossdock/common | |
| github.com/uber/jaeger-client-go/crossdock/thrift/tracetest | |
| github.com/uber/tchannel-go | Package tchannel implements Go bindings for the TChannel protocol (https://github.com/uber/tchannel). |
| github.com/uber/tchannel-go/thrift | Package thrift adds support to use Thrift services over TChannel. |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| log | Package log implements a simple logging package. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/http | Package http provides HTTP client and server implementations. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |