*/
    public static class ChatSource implements Serializable {

        private static final long serialVersionUID = 1L;

        /** The index of this source in the result list. */
        private int index;

        /** The title of the source document. */
        private String title;

        /** The URL of the source document. */
        private String url;

   * Set}:
   *
   * <pre>
   * collection.add(existingElement);
   * expectAdded(existingElement);</pre>
   *
   * <p>In this case, {@code collection} was not modified as a result of the {@code add()} call, and
   * the test will fail because the number of occurrences of {@code existingElement} is unchanged.
   *
   * @param elements expected additional contents of {@link #container}
   */

     */
    @Nonnull
    Optional<Boolean> failAtEnd();

    /**
     * Indicates whether Maven should never fail the build, regardless of project result.
     *
     * @return an {@link Optional} containing true if the build should never fail, false if it should fail normally, or empty if not specified
     */
    @Nonnull
    Optional<Boolean> failNever();

#### HttpUrl.queryParameterValues()

The return type of `HttpUrl.queryParameterValues()` is `List<String?>`. Lists that may contain null
are uncommon and Kotlin callers may have incorrectly assigned the result to `List<String>`.


Code Cleanup
------------

IntelliJ and Android Studio offer a **Code Cleanup** feature that will automatically update

		{4, -3, -1},
		{-4, -3, 2},
		{3, 0, 0},
	}
	for i, testCase := range cases {
		ceiling := ceilFrac(testCase.numerator, testCase.denominator)
		if ceiling != testCase.ceiling {
			t.Errorf("Case %d: Unexpected result: %d", i, ceiling)
		}
	}
}

// Test if isErrIgnored works correctly.
func TestIsErrIgnored(t *testing.T) {
	errIgnored := fmt.Errorf("ignored error")
	testCases := []struct {
		err     error

      },
      "description": "",
      "fieldConfig": {
        "defaults": {
          "mappings": [
            {
              "options": {
                "match": "null",
                "result": {
                  "text": "N/A"
                }
              },
              "type": "special"
            }
          ],
          "thresholds": {
            "mode": "absolute",

    // satisfy the SortedMap.keySet() interface
    @Override
    public SortedSet<K> keySet() {
      SortedSet<K> result = sortedKeySet;
      return (result == null) ? sortedKeySet = createKeySet() : result;
    }

    @Override
    SortedSet<K> createKeySet() {
      return new SortedKeySet(sortedMap());
    }
  }

e=d[b]||"";a.errorMessageKey="",a.errorMessage=e.replace("%s",c)},f=function(c,d,e){var f=new FileReader,g=new Image;f.readAsDataURL(c),f.onload=function(c){g.onload=function(){a(b).trigger("imageValidation",[this]),d(this)},g.onerror=function(){e()},g.src=c.target.result}};a.formUtils.addValidator({name:"mime",validatorFunction:function(b,f,g,h){if(c){var i=!0,j=f.get(0).files||[],k="",l=d(f);return j.length&&(a.each(j,function(b,c){return i=!1,k=c.type||c.name.substring(c.name.lastIndexOf(".")+1),a.each(l,functi...

    map.put(new Object(), Boolean.TRUE);
    GcFinalization.awaitDone(map::isEmpty);
    assertTrue(map.isEmpty());
  }

  // ----------------------------------------------------------------
  // Test that interrupts result in RuntimeException, not InterruptedException.
  // Trickier than it looks, because runFinalization swallows interrupts.
  // ----------------------------------------------------------------

        URL url = new URL(null, "smb://server/share", handler);

        // Act & Assert
        assertThrows(NullPointerException.class, () -> handler.parseURL(url, null, 0, 0),
                "Null spec should result in NPE via super.parseURL");
    }