if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {
			return nil, err
		}
	}
	defer func() {
		if err := file.Close(); err != nil {
			log.Errorf("failed to close %s: %s", filename, err)
		}
	}()
	data, err := io.ReadAll(file)
	if err != nil {
		return nil, err
	}
	return data, nil
}

func StableXdsStatusCommand(ctx cli.Context) *cobra.Command {

        macAddress = new byte[6];
    }

    int writeBodyWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readBodyWireFormat( byte[] src, int srcIndex ) {
        return readResourceRecordWireFormat( src, srcIndex );
    }
    int writeRDataWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readRDataWireFormat( byte[] src, int srcIndex ) {
        int start = srcIndex;

                        return new String(InputStreamUtil.getBytes(is), Constants.UTF_8);
                    } catch (IOException e) {
                        throw new IORuntimeException(e);
                    }
                } else if (url.contains("plugin/repo2")) {
                    try (InputStream is = ResourceUtil.getResourceAsStream(url)) {

     * non-positive if unknown.
     *
     * @return int
     */
    public int getColumnNumber() {
        return this.columnNumber;
    } // -- int getColumnNumber()

    /**
     * Get the one-based line number. The value will be
     * non-positive if unknown.
     *
     * @return int
     */
    public int getLineNumber() {
        return this.lineNumber;
    } // -- int getLineNumber()

                return classifier;
            }

            @Override
            public String getExtension() {
                return extension;
            }

            @Override
            public String getType() {
                return type;
            }

            public String getCoordinatesString() {
                return coordinateString;
            }

            @Override

        if ("crawlerContainer".equals(name)) {
            return (T) this;
        }

        final ComponentDef<?> componentDef = prototypeMap.get(name);
        if (componentDef != null) {
            return (T) componentDef.get();
        }
        final ComponentHolder<?> componentHolder = singletonMap.get(name);
        if (componentHolder != null) {
            return (T) componentHolder.get();
        }
        return null;

    }

    @Override
    public Long getContentLength() {
        return contentLength;
    }

    @Override
    public void setContentLength(final Long contentLength) {
        this.contentLength = contentLength;
    }

    @Override
    public Long getLastModified() {
        return lastModified;
    }

    @Override
    public void setLastModified(final Long lastModified) {

    responses={
        200: {
            "content": {"image/png": {}},
            "description": "Return the JSON item or an image.",
        }
    },
)
async def read_item(item_id: str, img: Union[bool, None] = None):
    if img:
        return FileResponse("image.png", media_type="image/png")
    else:

        case CrudMode.CREATE:
            return OptionalEntity.of(new FileConfig()).map(entity -> {
                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

        case CrudMode.CREATE:
            return OptionalEntity.of(new WebConfig()).map(entity -> {
                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {