The type or namespace name 'ReferenceDetailsState' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'ReferenceDetailsState' could not be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-dotnet@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

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Identifier expected. See also error CS1001.

XML comment has syntactically incorrect cref attribute ''