default <K, V> Map<K, V> collectToMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction) {
        return collect(Collectors.toMap(keyFunction, valueFunction));
    }
Collect the results into a Map, using the given functions to compute keys and values.
@param <K> the key type
@param <V> the value type
@param keyFunction a function that transforms the query result to a map key
@param valueFunction a function that transforms the query result to a map value
@return the collected Map
@since 3.38.0
core/src/main/java/org/jdbi/v3/core/result/ResultIterable.java