}
  }

  public <N1 extends Number, N2 extends Number, N11 extends N1>
      void testisSupertypeOf_typeVariable() {
    assertAssignable(
        TypeToken.of(new TypeCapture<N1>() {}.capture()),
        TypeToken.of(new TypeCapture<N1>() {}.capture()));
    assertNotAssignable(new TypeToken<List<N11>>() {}, new TypeToken<List<N1>>() {});
    assertNotAssignable(

  public void testFirstNonNull_withNonNull() {
    String s1 = "foo";
    String s2 = MoreObjects.firstNonNull(s1, "bar");
    assertSame(s1, s2);

    Long n1 = 42L;
    Long n2 = MoreObjects.firstNonNull(null, n1);
    assertSame(n1, n2);

    Boolean b1 = true;
    Boolean b2 = MoreObjects.firstNonNull(b1, null);
    assertSame(b1, b2);
  }

  public void testFirstNonNull_throwsNullPointerException() {

    }
  }

  public <N1 extends Number, N2 extends Number, N11 extends N1>
      void testisSupertypeOf_typeVariable() {
    assertAssignable(
        TypeToken.of(new TypeCapture<N1>() {}.capture()),
        TypeToken.of(new TypeCapture<N1>() {}.capture()));
    assertNotAssignable(new TypeToken<List<N11>>() {}, new TypeToken<List<N1>>() {});
    assertNotAssignable(

if ! command -v xargs >/dev/null 2>&1
then
    die "xargs is not available"
fi

# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
#   set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we

        dataMap.put("n.overwrite", "N0_old");

        Map<String, Object> responseDataMap = new HashMap<>();
        responseDataMap.put("m.overwrite", "M1");
        responseDataMap.put("n.overwrite", "N1");
        responseDataMap.put("p", "P1");

        indexUpdateCallback.mergeResponseData(dataMap, responseDataMap);

        // All overwrite keys should be removed

        String content = "word\\n1\n" + // word + n + 1
                "word\\\n"; // word + (nothing after backslash)

        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
        stopwordsFile.reload(null, is);

        assertEquals(2, stopwordsFile.stopwordsItemList.size());
        // The content creates two lines: "word\n1" and "word\"

        value = "a=b";
        paramMap = ParameterUtil.parse(value);
        assertEquals(1, paramMap.size());
        assertEquals("b", paramMap.get("a"));

        value = "a=b\n1=2";
        paramMap = ParameterUtil.parse(value);
        assertEquals(2, paramMap.size());
        assertEquals("b", paramMap.get("a"));
        assertEquals("2", paramMap.get("1"));

        value = "a=";

                } catch (final IOException e) {
                    logger.warn("Failed to access groups/roles in AzureAD.", e);
                }
                return new Pair<>(groupList.stream().distinct().toArray(n1 -> new String[n1]),
                        roleList.stream().distinct().toArray(n2 -> new String[n2]));
            });
        } catch (final ExecutionException e) {
            logger.warn("Failed to process a group cache.", e);