* detailed at {@link ImmutableCollection}.
 *
 * <p><b>Grouped iteration.</b> In all current implementations, duplicate elements always appear
 * consecutively when iterating. Elements iterate in order by the <i>first</i> appearance of that
 * element when the multiset was created.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained">immutable collections</a>.
 *

        return shortenOptions.removeThisLabels && thisReference.labelName != null
    }

    /**
     * This method intentionally mirrors the appearance
     * of the [classShortenStrategy] and [callableShortenStrategy] filters,
     * but ATM we don't have a way to properly handle
     * [FirThisReference]s through the existing filters.
     *

  /**
   * Returns an immutable map whose keys are the distinct elements of {@code keys} and whose value
   * for each key was computed by {@code valueFunction}. The map's iteration order is the order of
   * the first appearance of each key in {@code keys}.
   *
   * <p>When there are multiple instances of a key in {@code keys}, it is unspecified whether {@code