feat(train): add new command to interact with aws and train models

vendor/github.com/aws/aws-sdk-go-v2/service/internal/s3shared/config/config.go

@@ -0,0 +1,22 @@
+package config
+
+import "context"
+
+// UseARNRegionProvider is an interface for retrieving external configuration value for UseARNRegion
+type UseARNRegionProvider interface {
+	GetS3UseARNRegion(ctx context.Context) (value bool, found bool, err error)
+}
+
+// ResolveUseARNRegion extracts the first instance of a UseARNRegion from the config slice.
+// Additionally returns a boolean to indicate if the value was found in provided configs, and error if one is encountered.
+func ResolveUseARNRegion(ctx context.Context, configs []interface{}) (value bool, found bool, err error) {
+	for _, cfg := range configs {
+		if p, ok := cfg.(UseARNRegionProvider); ok {
+			value, found, err = p.GetS3UseARNRegion(ctx)
+			if err != nil || found {
+				break
+			}
+		}
+	}
+	return
+}