<PackageReference Include="Serilog.Sinks.Seq" Version="9.1.0-dev-02312" />

Serilog.Sinks.Seq.IDottedPropertyNameConvention

Enables switching between the experimental "unflattening" behavior applied to dotted property names, and the regular verbatim property name handling.
IReadOnlyDictionary<string, LogEventPropertyValue> ProcessDottedPropertyNames(IReadOnlyDictionary<string, LogEventPropertyValue> maybeDotted)

Convert the properties in maybeDotted into the form specified by the current property name processing convention.