*/
    public static final String PATH_SEPARATOR = System.getProperty("path.separator");

    /**
     * <code>os.name</code> system property. Example: <code>Mac OS X</code>
     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> system property. Example: /tmp
     */

For example, with an ID of `42`, this would render:

```html
<a href="/items/42">
```

## Templates and static files { #templates-and-static-files }

You can also use `url_for()` inside of the template, and use it, for example, with the `StaticFiles` you mounted with the `name="static"`.

```jinja hl_lines="4"

        dataMap1.put("url", "http://example.com/test1");
        indexUpdateCallback.store(paramMap, dataMap1);
        assertEquals(1, indexingHelper.sendDocumentsCalled);

        // Add second document - should trigger indexing again
        Map<String, Object> dataMap2 = new HashMap<>();
        dataMap2.put("url", "http://example.com/test2");
        indexUpdateCallback.store(paramMap, dataMap2);

import org.junit.jupiter.params.provider.ArgumentsSource

private val prefix = if (File("samples").exists()) "" else "../../"

private fun mainFiles(): List<File> {
  val directories =
    listOf(
      "$prefix/samples/guide/src/main/java/okhttp3/guide",
      "$prefix/samples/guide/src/main/java/okhttp3/recipes",
      "$prefix/samples/guide/src/main/java/okhttp3/recipes/kt",
    ).map { File(it) }

  return directories.flatMap {

            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,
            "tax": 3.2,
            "tags": ["foo", "bar", "foo"],
            "image": {"url": "http://example.com/image.png", "name": "example image"},
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "item_id": 123,
        "item": {
            "name": "Foo",

	//
	// ```
	//    The canonical user ID is the Amazon S3–only concept.
	//    It is 64-character obfuscated version of the account ID.
	// ```
	// http://docs.aws.amazon.com/AmazonS3/latest/dev/example-walkthroughs-managing-access-example4.html
	globalMinioDefaultOwnerID      = "02d6176db174dc93cb1b899f7c6078f08654445fe8cf1b6ce98d8855f66bdbf4"
	globalMinioDefaultStorageClass = "STANDARD"
	globalWindowsOSName            = "windows"

      listOf(
        "Parsing: <http://example\t.\norg> against <http://example.org/foo/bar>",
        "Parsing: <http://f:0/c> against <http://example.org/foo/bar>",
        "Parsing: <http://f:00000000000000/c> against <http://example.org/foo/bar>",
        "Parsing: <http://f:\n/c> against <http://example.org/foo/bar>",
        "Parsing: <http://f:999999/c> against <http://example.org/foo/bar>",

    @Test
    public void test_constructor_withUrlMessageAndException() {
        // Test with URL, message, and exception (abort defaults to false)
        String url = "http://example.com/test";
        String message = "Test error message";
        Exception cause = new RuntimeException("Root cause");

        DataStoreCrawlingException exception = new DataStoreCrawlingException(url, message, cause);

                "price": 35.4,
                "tax": 3.2,
                "tags": ["foo"],
                "images": [
                    {
                        "url": "http://example.com/image.png",
                        "name": "example image",
                    }
                ],
            }
        ],
    }

    response = client.post(
        "/offers/",
        json=data,
    )

        ) {
            assertHasErrors(
                "Field nonFinalField: Nullability breaking change.",
                "Method com.example.Source.foo(java.lang.String[]): Parameter 0 from null accepting to non-null accepting breaking change.",
                "Constructor com.example.Source(java.lang.String[]): Parameter 0 from null accepting to non-null accepting breaking change."
            )
            assertHasNoWarning()