| bytes | Package bytes implements functions for the manipulation of byte slices. |
| github.com/openzipkin/zipkin-go/model | Package model contains the Zipkin V2 model which is used by the Zipkin Go tracer implementation. |
| github.com/openzipkin/zipkin-go/reporter | Package reporter holds the Reporter interface which is used by the Zipkin Tracer to send finished spans. |
| log | Package log implements a simple logging package. |
| net/http | Package http provides HTTP client and server implementations. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |