@Nullable Type ownerType, Class<?> rawType, Type... arguments) {
    if (ownerType == null) {
      return newParameterizedType(rawType, arguments);
    }
    // ParameterizedTypeImpl constructor already checks, but we want to throw NPE before IAE
    checkNotNull(arguments);
    checkArgument(rawType.getEnclosingClass() != null, "Owner type for unenclosed %s", rawType);
    return new ParameterizedTypeImpl(ownerType, rawType, arguments);

        }
        ParameterizedType toParameterizedType = expectArgument(ParameterizedType.class, to);
        if (fromParameterizedType.getOwnerType() != null
            && toParameterizedType.getOwnerType() != null) {
          populateTypeMappings(
              mappings, fromParameterizedType.getOwnerType(), toParameterizedType.getOwnerType());
        }
        checkArgument(

      @Nullable Type ownerType, Class<?> rawType, Type... arguments) {
    if (ownerType == null) {
      return newParameterizedType(rawType, arguments);
    }
    // ParameterizedTypeImpl constructor already checks, but we want to throw NPE before IAE
    checkNotNull(arguments);
    checkArgument(rawType.getEnclosingClass() != null, "Owner type for unenclosed %s", rawType);
    return new ParameterizedTypeImpl(ownerType, rawType, arguments);

        }
        ParameterizedType toParameterizedType = expectArgument(ParameterizedType.class, to);
        if (fromParameterizedType.getOwnerType() != null
            && toParameterizedType.getOwnerType() != null) {
          populateTypeMappings(
              mappings, fromParameterizedType.getOwnerType(), toParameterizedType.getOwnerType());
        }
        checkArgument(

		{"☺☻☹", "日a本b語ç", "27 ☺☻☹=日a本b語ç\n", true},
		{"xhello", "\x00world", "17 xhello=\x00world\n", true},
		{"path", "null\x00", "", false},
		{"null\x00", "value", "", false},
		{paxSchilyXattr + "key", "null\x00", "26 SCHILY.xattr.key=null\x00\n", true},
	}

	for _, v := range vectors {
		got, err := formatPAXRecord(v.inKey, v.inVal)
		ok := (err == nil)
		if ok != v.ok {
			if v.ok {

			stmt.DB.Dialector.BindVarTo(writer, stmt, v)
		case []interface{}:
			if len(v) > 0 {
				writer.WriteByte('(')
				stmt.AddVar(writer, v...)
				writer.WriteByte(')')
			} else {
				writer.WriteString("(NULL)")
			}
		case interface{ getInstance() *DB }:
			cv := v.getInstance()

			subdb := cv.Session(&Session{Logger: logger.Discard, DryRun: true}).getInstance()
			if cv.Statement.SQL.Len() > 0 {
				var (

	// benefits of replication, make sure to apply version suspension
	// only at bucket level instead.
	opts.VersionSuspended = globalBucketVersioningSys.Suspended(bucket)
	// For directory objects, delete `null` version permanently.
	if isDirObject(object) && opts.VersionID == "" {
		opts.VersionID = nullVersionID
	}

	delMarker, err := parseBoolHeader(bucket, object, r.Header, xhttp.MinIOSourceDeleteMarker)

				// Bucket is versioned and no version was explicitly
				// mentioned for deletes, create a delete marker instead.
				vr.ModTime = UTCNow()
				vr.Deleted = true
				// Versioning suspended means that we add a `null` version
				// delete marker, if not add a new version for this delete
				// marker.
				if versioned {
					vr.VersionID = mustGetUUID()
				}
			}
		}

			ObjectV: ObjectV{
				ObjectName: object,
				VersionID:  opts.VersionID,
			},
		}, *oi, opts, gerr)
		// Mutations of objects on versioning suspended buckets
		// affect its null version. Through opts below we select
		// the null version's remote object to delete if
		// transitioned.
		if gerr == nil {
			os.SetTransitionState(oi.TransitionedObject)
		}
		return dsc, nil
	})

def get_invalid_none():
    return None
```

This way the data will be correctly validated, you won't have an internal server error, and the documentation will also reflect that this *path operation* could return `None` (or `null` in JSON).

### Fixes