Small help in code

Response response = Request.Post("https://api.remove.bg/v1.0/removebg")
.addHeader("X-Api-Key", "INSERT_YOUR_API_KEY_HERE")
.body(
MultipartEntityBuilder.create()
.addBinaryBody("image_file", new File("/path/to/file.jpg"))
.addTextBody("size", "auto")
.build()
).execute();
response.saveContent(new File("no-bg.png"));