DatatypeStructure { mapping = ElmMapping { typeName = "EmptyAlias" , moduleName = Just "Codegen.SampleTypes" , encoderLocation = Just SymbolLocation { symbolName = "encodeEmptyAlias" , symbolModuleName = "Codegen.SampleTypes" } , decoderLocation = Just SymbolLocation { symbolName = "decodeEmptyAlias" , symbolModuleName = "Codegen.SampleTypes" } , args = [] , isTypeAlias = True , urlPiece = Nothing , queryParam = Nothing } , nParams = 0 , constructors = [ Constructor { constructorName = "EmptyAlias" , constructorFields = [] } ] }