| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/hex | Package hex implements hexadecimal encoding and decoding. |
| 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/prometheus/client_golang/prometheus | Package prometheus is the core instrumentation package. |
| github.com/prometheus/client_model/go | |
| github.com/prometheus/common/model | Package model contains common data structures that are shared across Prometheus components and libraries. |
| go.opentelemetry.io/otel | Package otel provides global access to the OpenTelemetry API. |
| go.opentelemetry.io/otel/attribute | Package attribute provides key and value attributes. |
| go.opentelemetry.io/otel/internal/global | |
| go.opentelemetry.io/otel/sdk/instrumentation | Package instrumentation provides types to represent the code libraries that provide OpenTelemetry instrumentation. |
| go.opentelemetry.io/otel/sdk/metric | Package metric provides an implementation of the OpenTelemetry metrics SDK. |
| go.opentelemetry.io/otel/sdk/metric/metricdata | |
| go.opentelemetry.io/otel/sdk/resource | Package resource provides detecting and representing resources. |
| google.golang.org/protobuf/proto | Package proto provides functions operating on protocol buffer messages. |
| slices | Package slices defines various functions useful with slices of any type. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |