@SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

  /**
   * Verifies that an Iterator is unmodifiable.
   *

	testCases := []struct {
		keys      []string
		keyvalues []string
	}{
		{
			[]string{"aaaa", "bbbb"},
			[]string{"aaaa", "{aaaa:.*}", "bbbb", "{bbbb:.*}"},
		},
	}

	for i, test := range testCases {
		keyvalues := restQueries(test.keys...)
		for j := range keyvalues {
			if keyvalues[j] != test.keyvalues[j] {
				t.Fatalf("test %d: keyvalues[%d] does not match", i+1, j)
			}
		}
	}
}

    private String extractGroupId(PlexusConfiguration c) {
        return c.getChild("groupId").getValue();
    }

    private String extractArtifactId(PlexusConfiguration c) {
        return c.getChild("artifactId").getValue();
    }

    private String extractVersion(PlexusConfiguration c) {
        return c.getChild("version").getValue();
    }

    private String extractGoalPrefix(PlexusConfiguration c) {

            if (retValue.length() >= 2 && retValue.charAt(1) == '|') {
                retValue = retValue.charAt(0) + ":" + retValue.substring(2);
            }

            // normalize separators
            retValue = new File(retValue).getPath();
        }

        if (retValue == null) {
            retValue = "/";
        }
        return retValue.trim();
    }

    /**

        Properties props = new Properties();
        props.put("key", "${env.testKey}");
        Xpp3Dom configurationChild = new Xpp3Dom("jdkHome");
        configurationChild.setValue("${env.testKey}");
        Xpp3Dom configuration = new Xpp3Dom("configuration");
        configuration.addChild(configurationChild);
        ToolchainModel toolchain = new ToolchainModel();
        toolchain.setType("TYPE");

        assertEquals(1, WitnessEventType.RESOURCE_CHANGE.getValue());
        assertEquals(2, WitnessEventType.CLIENT_MOVE.getValue());
        assertEquals(3, WitnessEventType.SHARE_MOVE.getValue());
        assertEquals(4, WitnessEventType.IP_CHANGE.getValue());
        assertEquals(5, WitnessEventType.SHARE_DELETE.getValue());
        assertEquals(6, WitnessEventType.NODE_UNAVAILABLE.getValue());

      @SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

  /**
   * Verifies that an Iterator is unmodifiable.
   *

    String key = "key";
    long newValue = random.nextInt(MAX_ADDEND);
    for (int i = 0; i < ITERATIONS; i++) {
      long before = map.get(key);
      long result = map.put(key, newValue);
      long after = map.get(key);
      assertEquals(newValue, after);
      assertEquals(before, result);
      newValue += newValue;
    }
    assertEquals(1, map.size());

                    final String redirectLocation;
                    if (locationHeader.getValue().startsWith("/")) {
                        redirectLocation = constructRedirectLocation(url, locationHeader.getValue());
                    } else {
                        redirectLocation = locationHeader.getValue();
                    }
                    responseData.setRedirectLocation(redirectLocation);

  @Benchmark
  int getInstance(int reps) throws Exception {
    int retValue = 0;
    for (int i = 0; i < reps; i++) {
      retValue ^= MessageDigest.getInstance(algorithm).getDigestLength();
    }
    return retValue;
  }

  @Benchmark
  int clone(int reps) throws Exception {
    int retValue = 0;
    for (int i = 0; i < reps; i++) {
      retValue ^= ((MessageDigest) md.clone()).getDigestLength();
    }