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import java.util.Map;
import java.util.Optional;
import java.util.function.Function;
import java.util.function.Predicate;
class IDEA127765 {
void a(final Map<String, Optional<Double>> allValues, final Function<Optional<Double>, Double> get) {
final Map<String, Double> presentValues = transformValues(filterValues(allValues, Optional::isPresent), get);
}
public static <K, V1, V2> Map<K, V2> transformValues(Map<K, V1> fromMap, Function<? super V1, V2> function) {
return null;
}
public static <K, V> Map<K, V> filterValues(Map<K, V> unfiltered, Predicate<? super V> valuePredicate) {
return null;
}
}
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