override val defaultImports: Set<FqName>
) : AnalysisSchema {
    companion object Empty : AnalysisSchema {
        override val topLevelReceiverType: DataClass = DefaultDataClass.Empty
        override val dataClassesByFqName: Map<FqName, DataClass> = mapOf()
        override val externalFunctionsByFqName: Map<FqName, DataTopLevelFunction> = mapOf()