I need to transform the Minecraft server properties file to JSON and vice-versa so I need a serializer/deserializer from properties to JSON. So I need to create an interface to define the contract for this tool and an implementation of the interface using GSON to perform the serialization/deserialization process.
You can use this case as an inspiration:
https://stackoverflow.com/questions/23871694/java-properties-to-json
Tests are of course welcome!