'EquatableDictionary<TKey, TValue>' overrides Object.Equals(object o) but does not override Object.GetHashCode()

Prefer comparing 'Count' to 0 rather than using 'Any()', both for clarity and for performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1860)

Avoid creating a new 'JsonSerializerOptions' instance for every serialization operation. Cache and reuse instances instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1869)

Use 'ArgumentNullException.ThrowIfNull' instead of explicitly throwing a new exception instance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1510)

Use 'ArgumentNullException.ThrowIfNull' instead of explicitly throwing a new exception instance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1510)

Type 'ProxyHostBuilder' can be sealed because it has no subtypes in its containing assembly and is not externally visible (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1852)

Type 'HostedLifecycleService' can be sealed because it has no subtypes in its containing assembly and is not externally visible (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1852)

Type 'ApplicationLifecycle' can be sealed because it has no subtypes in its containing assembly and is not externally visible (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1852)

Type 'ApplicationArgsProvider' can be sealed because it has no subtypes in its containing assembly and is not externally visible (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1852)