import java.util.function.Function;
class FunctionCompose {
public final Function function;
public FunctionCompose(Function function) {
this.function = function;
}
public FunctionCompose map(Function
Подробнее здесь: [url]https://stackoverflow.com/questions/78414185/how-do-i-implement-flatmap-for-an-object-with-a-function-property[/url]