[Refactor] ExportMap: make procedures static instead of monkeypatching exportmap

Author: soryy708

CHANGELOG.md

@@ -12,6 +12,7 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 ### Changed
 - [Docs] `no-extraneous-dependencies`: Make glob pattern description more explicit ([#2944], thanks [@mulztob])
 - [`no-unused-modules`]: add console message to help debug [#2866]
+- [Refactor] `ExportMap`: make procedures static instead of monkeypatching exportmap ([#2982], thanks [@soryy708])
 
 ## [2.29.1] - 2023-12-14
 
@@ -1108,6 +1109,7 @@ for info on changes for earlier releases.
 
 [`memo-parser`]: ./memo-parser/README.md
 
+[#2982]: https://github.com/import-js/eslint-plugin-import/pull/2982
 [#2944]: https://github.com/import-js/eslint-plugin-import/pull/2944
 [#2942]: https://github.com/import-js/eslint-plugin-import/pull/2942
 [#2919]: https://github.com/import-js/eslint-plugin-import/pull/2919