Imports of package metric

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
go.opentelemetry.io/otel/attributePackage attribute provides key and value attributes.
go.opentelemetry.io/otel/metric/embeddedPackage embedded provides interfaces embedded within the [OpenTelemetry metric API].