| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| 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. |
| github.com/streadway/amqp | Package amqp is an AMQP 0.9.1 client with RabbitMQ extensions |
| log | Package log implements a simple logging package. |
| os | Package os provides a platform-independent interface to operating system functionality. |