in dataenum-processor/src/main/java/com/spotify/dataenum/processor/generator/match/MatchMethods.java [68:77]
public MethodSpec createFoldVoidMethod(OutputValue value) throws ParserException {
MethodSpec.Builder builder =
createFoldVoidSignature(value.typeVariables())
.addAnnotation(Override.class)
.addModifiers(Modifier.FINAL);
builder.addStatement("$L.accept(this)", asCamelCase(value.name()));
return builder.build();
}