response property
HttpResponse responseThe HttpResponse object, used for sending back the response to the client.
If the contentLength of the body isn't 0, and the body isn't being read, any write calls on the HttpResponse automatically drain the request body.
Source
HttpResponse get response;
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-io/HttpRequest/response.html