How to use

serialize

method

in

io.swagger.client.ApiClient

 response = builder.type(contentType).post(ClientResponse.class, serialize(body));
    encodedFormParams);
} else if(body == null) {
 response = builder.put(ClientResponse.class, serialize(body));
} else {
  response = builder.type(contentType).put(ClientResponse.class, serialize(body));
 response = builder.delete(ClientResponse.class);
} else {
 response = builder.type(contentType).delete(ClientResponse.class, serialize(body));

reqBody = serialize(body, contentType);