*
   * {@snippet :
   * for (List<String> perm : orderedPermutations(asList("b", "c", "a"))) {
   *   println(perm);
   * }
   * // -> ["a", "b", "c"]
   * // -> ["a", "c", "b"]
   * // -> ["b", "a", "c"]
   * // -> ["b", "c", "a"]
   * // -> ["c", "a", "b"]
   * // -> ["c", "b", "a"]
   *
   * for (List<Integer> perm : orderedPermutations(asList(1, 2, 2, 1))) {
   *   println(perm);
   * }
   * // -> [1, 1, 2, 2]

        return redirect(getClass());
    }

    //===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============
    /**
     * Retrieves or creates a WebAuthentication entity based on the form's CRUD mode.
     *

    To disable TLS fallback:

    ```java
    client.setConnectionSpecs(Arrays.asList(
        ConnectionSpec.MODERN_TLS, ConnectionSpec.CLEARTEXT));
    ```

    To disable cleartext connections, permitting `https` URLs only:

    ```java
    client.setConnectionSpecs(Arrays.asList(
        ConnectionSpec.MODERN_TLS, ConnectionSpec.COMPATIBLE_TLS));
    ```

        return redirect(getClass());
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============

    private static OptionalEntity<AccessToken> getEntity(final CreateForm form, final String username, final long currentTime) {

        }
    }

    // ===================================================================================
    //                                                                        Assist Class
    //                                                                        ============
    public static class SearchRequestParams {

        private Boolean explain;

        private Float minScore;

import static com.google.common.collect.CollectPreconditions.checkRemove;
import static java.lang.Math.max;
import static java.lang.Math.min;
import static java.util.Arrays.asList;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

import static com.google.common.collect.CollectPreconditions.checkRemove;
import static java.lang.Math.max;
import static java.lang.Math.min;
import static java.util.Arrays.asList;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

        ImmutableSet.of(3), set.intersection(ContiguousSet.create(Range.closed(3, 5), integers())));
  }

  public void testAsList() {
    ImmutableList<Integer> list = ContiguousSet.create(Range.closed(1, 3), integers()).asList();
    for (int i = 0; i < 3; i++) {
      assertEquals(i + 1, list.get(i).intValue());
    }
    assertEquals(ImmutableList.of(1, 2, 3), ImmutableList.copyOf(list.iterator()));

   * throws a {@link NullPointerException}.
   *
   * <p>To find the first non-null element in an iterable, use {@code Iterables.find(iterable,
   * Predicates.notNull())}. For varargs, use {@code Iterables.find(Arrays.asList(a, b, c, ...),
   * Predicates.notNull())}, static importing as necessary.
   *
   * <p><b>Note:</b> if {@code first} is represented as an {@link Optional}, this can be

        return redirect(getClass());
    }

    //===================================================================================
    //                                                                       Assist Logic
    //                                                                       ============
    private static OptionalEntity<User> getEntity(final CreateForm form) {
        switch (form.crudMode) {