| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| errors | Package errors implements functions to manipulate errors. |
| github.com/stretchr/testify/require | Package require implements the same assertions as the `assert` package but stops test execution when a test fails. |
| go.opentelemetry.io/otel/internal/internaltest | Package internaltest provides testing functionality. |
| go.opentelemetry.io/otel/sdk/metric/aggregator | |
| go.opentelemetry.io/otel/sdk/metric/export/aggregation | |
| go.opentelemetry.io/otel/sdk/metric/metrictest | |
| go.opentelemetry.io/otel/sdk/metric/number | |
| go.opentelemetry.io/otel/sdk/metric/sdkapi | |
| math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| testing | Package testing provides support for automated testing of Go packages. |
| unsafe | Package unsafe contains operations that step around the type safety of Go programs. |