vertx / io.vertx.reactivex.core.json / MaybeUnmarshaller / <init>

# <init>

`MaybeUnmarshaller(unwrap: Function<B, Buffer>, mappedType: Class<T>)`
`MaybeUnmarshaller(unwrap: Function<B, Buffer>, mappedTypeRef: TypeReference<T>)`
`MaybeUnmarshaller(unwrap: Function<B, Buffer>, mappedType: Class<T>, mapper: ObjectMapper)`
`MaybeUnmarshaller(unwrap: Function<B, Buffer>, mappedTypeRef: TypeReference<T>, mapper: ObjectMapper)`