update as per the comment in pr

pkg/plugin/definition/metrics.go

@@ -0,0 +1,15 @@
+package definition
+
+import (
+	"context"
+
+	"github.com/beckn-one/beckn-onix/pkg/telemetry"
+)
+
+// MetricsProvider encapsulates initialization of OpenTelemetry metrics
+// providers. Implementations wire exporters and return a Provider that the core
+// application can manage.
+type MetricsProvider interface {
+	// New initializes a new telemetry provider instance with the given configuration.
+	New(ctx context.Context, config map[string]string) (*telemetry.Provider, func() error, error)
+}