Serialize/Deserialize RichText instances for plain-text and array forms - #57

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Member 'ForceReplyFlag' does not access instance data and can be marked as static (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1822)

Member 'RemoveKeyboard' does not access instance data and can be marked as static (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1822)

Rename virtual/interface member MaybeInaccessibleMessage.Date so that it no longer conflicts with the reserved language keyword 'Date'. Using a reserved keyword as the name of a virtual/interface member makes it harder for consumers in other languages to override/implement the member. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1716)

Dereference of a possibly null reference.

Cannot convert null literal to non-nullable reference type.

Member 'Currency' does not access instance data and can be marked as static (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1822)

Member 'Type' does not access instance data and can be marked as static (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1822)

Member 'ForceReplyFlag' does not access instance data and can be marked as static (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1822)

Member 'RemoveKeyboard' does not access instance data and can be marked as static (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1822)

Rename virtual/interface member MaybeInaccessibleMessage.Date so that it no longer conflicts with the reserved language keyword 'Date'. Using a reserved keyword as the name of a virtual/interface member makes it harder for consumers in other languages to override/implement the member. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1716)