Merge remote-tracking branch 'origin/5.3.x' into 6.0.x

samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/.openapi-generator/VERSION

@@ -1 +1,5 @@
-6.0.0-SNAPSHOT
+<<<<<<< HEAD
+6.0.0-SNAPSHOT
+=======
+5.3.0-SNAPSHOT
+>>>>>>> origin/5.3.x

samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/client.go

@@ -18,6 +18,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"log"
 	"mime/multipart"
 	"net/http"
@@ -359,6 +360,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if f, ok := v.(**os.File); ok {
+		*f, err = ioutil.TempFile("", "HttpClientFile")
+		if err != nil {
+			return
+		}
+		_, err = (*f).Write(b)
+		_, err = (*f).Seek(0, io.SeekStart)
+		return
+	}
 	if xmlCheck.MatchString(contentType) {
 		if err = xml.Unmarshal(b, v); err != nil {
 			return err