return transformValues(
        new UnmodifiableIteratorMap<String, Integer>(underlying), Functions.toStringFunction());
  }

  @Override
  protected Map<String, String> makePopulatedMap() {
    Map<String, Integer> underlying = new HashMap<>();
    underlying.put("a", 1);
    underlying.put("b", 2);
    underlying.put("c", 3);
    return transformValues(

    return transformValues(
        new UnmodifiableIteratorMap<String, Integer>(underlying), Functions.toStringFunction());
  }

  @Override
  protected Map<String, String> makePopulatedMap() {
    Map<String, Integer> underlying = new HashMap<>();
    underlying.put("a", 1);
    underlying.put("b", 2);
    underlying.put("c", 3);
    return transformValues(

    }

    @Override
    public Map<R, Map<C, V2>> rowMap() {
      return Maps.transformValues(fromTable.rowMap(), row -> Maps.transformValues(row, function));
    }

    @Override
    public Map<C, Map<R, V2>> columnMap() {
      return Maps.transformValues(
          fromTable.columnMap(), column -> Maps.transformValues(column, function));
    }
  }

  /**

                      table.put(i, 'a', "x" + checkNotNull(elements[i]));
                    }
                    return transformValues(table, removeFirstCharacter).values();
                  }
                })
            .named("TransformValues.values")
            .withFeatures(COLLECTION_FEATURES_REMOVE)
            .withFeatures(CollectionFeature.SUPPORTS_ITERATOR_REMOVE)

                      map.put(entry.getKey(), encode(entry.getValue()));
                    }
                    return transformValues(map, DECODE_FUNCTION);
                  }
                })
            .named("Maps.transformValues[Map, Function]")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,

                      map.put(entry.getKey(), encode(entry.getValue()));
                    }
                    return transformValues(map, DECODE_FUNCTION);
                  }
                })
            .named("Maps.transformValues[Map, Function]")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,

                  @Override
                  Multimap<String, String> transform(Multimap<String, String> multimap) {
                    return Multimaps.transformValues(multimap, FUNCTION);
                  }
                })
            .named("Multimaps.transformValues[Multimap]")
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.SUPPORTS_REMOVE,

                  @Override
                  Multimap<String, String> transform(Multimap<String, String> multimap) {
                    return Multimaps.transformValues(multimap, FUNCTION);
                  }
                })
            .named("Multimaps.transformValues[Multimap]")
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.SUPPORTS_REMOVE,

          @Override
          public Integer apply(Integer in) {
            return in * in;
          }
        };
    Multimap<String, Integer> transformed = Multimaps.transformValues(multimap, square);
    assertThat(transformed.entries())
        .containsExactly(
            immutableEntry("a", 4),
            immutableEntry("a", 16),
            immutableEntry("b", 9),

  public ImmutableListMultimap<String, String> parameters() {
    return parameters;
  }

  private Map<String, ImmutableMultiset<String>> parametersAsMap() {
    return Maps.transformValues(parameters.asMap(), ImmutableMultiset::copyOf);
  }

  /**
   * Returns an optional charset for the value of the charset parameter if it is specified.
   *