Add the following constructor to ValidationApiException: public ValidationApiException(string message) (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1032)

Method WriteRefitMethod passes 'ReturnTypeMetadata' as the paramName argument to a ArgumentOutOfRangeException constructor. Replace this argument with one of the method's parameter names. Note that the provided parameter name should have the exact casing as declared on the method. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2208)

Field RefitSettings is a member of type ApiException which is serializable but is of type Refit.RefitSettings which is not serializable (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2235)

Missing XML comment for publicly visible type or member 'UniqueNameBuilder.UniqueNameBuilder()'

Missing XML comment for publicly visible type or member 'UniqueNameBuilder'

Type 'SyntaxReceiver' 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)

Method WriteRefitMethod passes 'ReturnTypeMetadata' as the paramName argument to a ArgumentOutOfRangeException constructor. Replace this argument with one of the method's parameter names. Note that the provided parameter name should have the exact casing as declared on the method. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2208)

Unused field 'TypeParameterVariableName' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1823)

Missing XML comment for publicly visible type or member 'UniqueNameBuilder.UniqueNameBuilder()'