https://api.dart.dev/stable/3.10.4/dart-html/UrlSearchParams/append.html
append method - UrlSearchParams class - dart:html library - Dart API
API docs for the append method from the UrlSearchParams class, for the Dart programming language.
library apiappendmethodurlsearchparamsclass
https://cobalt.googlesource.com/cobalt/+/ac9ac065c5083565917b15e7a672a79599f2f00b/src/third_party/web_platform_tests/url/urlsearchparams-append.html?autodive=0%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F
src/third_party/web_platform_tests/url/urlsearchparams-append.html - cobalt - Git at Google
web platform teststhird partysrcurlappend