assertThrows(
        NullPointerException.class,
        () -> Maps.toMap((Iterable<String>) strings, Functions.constant("foo")));
  }

  public void testToMapWithNullValues() {
    Iterable<String> strings = ImmutableList.of("one", "two", "three");
    assertThrows(NullPointerException.class, () -> Maps.toMap(strings, Functions.constant(null)));
  }

                    final int y = DfTypeUtil.toInteger(v[1].trim());
                    return new Pair<>(x, y);
                }
                return null;
            }).filter(v -> v != null).collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)));
            propMap.put(SMB_AVAILABLE_SID_TYPES, params);
        }
        return params.get(sidType);
    }

    String getSupportedLanguages();

            final GetObjectTaggingResponse response = s3Client.getObjectTagging(request);
            return response.tagSet().stream().collect(Collectors.toMap(Tag::key, Tag::value));
        } catch (final Exception e) {
            throw new StorageException("Failed to get tags from " + objectName, e);
        }
    }

    @Override

        List<ProjectBuildingResult> projectBuildingResults =
                createProjectBuildingResultMocks(Stream.of(projectParent, projectModuleD)
                        .collect(Collectors.toMap(MavenProject::getArtifactId, identity()))
                        .values());
        when(projectBuilder.build(anyList(), anyBoolean(), any(ProjectBuildingRequest.class)))
                .thenReturn(projectBuildingResults);

    assertThrows(
        NullPointerException.class,
        () -> Maps.toMap((Iterable<String>) strings, Functions.constant("foo")));
  }

  public void testToMapWithNullValues() {
    Iterable<String> strings = ImmutableList.of("one", "two", "three");
    assertThrows(NullPointerException.class, () -> Maps.toMap(strings, Functions.constant(null)));
  }

                    if (fields != null) {
                        docMap.putAll(fields.entrySet()
                                .stream()
                                .collect(Collectors.toMap(Entry::getKey, e -> (Object) e.getValue().getValues())));
                    }

                    final ViewHelper viewHelper = ComponentUtil.getViewHelper();

            final String key = e.getKey();
            if (StringUtil.isBlank(key)) {
                return false;
            }
            return pattern.matcher(key).matches();
        }).collect(Collectors.toMap(Entry<String, String>::getKey, Entry<String, String>::getValue));
    }

    /**
     * Gets a map of environment variables.
     *
     * @return A map of environment variables.
     */