public void testPuttingTheSameKeyTwiceThrowsOnBuild() {
    Builder<String, Integer> builder =
        new Builder<String, Integer>()
            .put("one", 1)
            .put("one", 1); // throwing on this line would be even better

    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> builder.build());
    assertThat(expected.getMessage()).contains("one");
  }

## **Typer**, FastAPI의 CLI

<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>

웹 API 대신 터미널에서 사용할 <abbr title="Command Line Interface">CLI</abbr> 앱을 만들고 있다면, <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>를 확인해 보십시오.

**Typer**는 FastAPI의 동생입니다. 그리고 **FastAPI의 CLI**가 되기 위해 생겼습니다. ⌨️ 🚀

## 요구사항

	Timestamp       int64  // Timestamp set at the time of initialization.
	TimeLastRefresh int64  // Timestamp for last lock refresh.
	Source          string // Contains line, function and filename requesting the lock.
	Group           bool   // indicates if it was a group lock.
	Owner           string // Owner represents the UUID of the owner who originally requested the lock.

 *
 * <p>Note that this specifically does <strong>not</strong> represent the value of the MIME {@code
 * Content-Type} header and as such has no support for header-specific considerations such as line
 * folding and comments.
 *
 * <p>For media types that take a charset the predefined constants default to UTF-8 and have a
 * "_UTF_8" suffix. To get a version without a character set, use {@link #withoutParameters}.
 *

import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Unit tests on <code>MavenProperties</code>.
 */
public class MavenPropertiesTest {

    private static final String LINE_SEPARATOR = System.getProperty("line.separator");
    private static final String COMMENT = "# comment";
    private static final String KEY1 = "mvn:foo/bar";
    private static final String KEY1A = "mvn\\:foo/bar";

func timeZone(offset time.Duration) *time.Location {
	const (
		minOffset   = -12 * time.Hour  // E.g., Baker island at -12:00
		maxOffset   = +14 * time.Hour  // E.g., Line island at +14:00
		offsetAlias = 15 * time.Minute // E.g., Nepal at +5:45
	)
	offset = offset.Round(offsetAlias)
	if offset < minOffset || maxOffset < offset {
		offset = 0
	}

40.792312622070313 -73.868507385253906 40.688491821289063 2 16.10 46 0 0.5 0 5.33 51.83 2 75 63 green 0.04 0.0 0.0 62 37 5.37 1267 168 1 Manhattan 016800 1016800 E MN33 East Harlem South 3804 1544 1182.02 3 Brooklyn 118202 3118202 E BK83 Cypress Hills-City Line 4008 3389229 2 2014-03-07 09:46:32 2014-03-07 09:55:01 N 1 -73.952301025390625 40.789798736572266 -73.935806274414062 40.794448852539063 1 1.67 8 0 0.5 2 0 10.5 1 1 75 74 green 0.00 3.9 0.0 37 26 7.83 1267 168 1 Manhattan 016800 1016800 E MN33 East...

      }
      final String keyToRemove = map.keySet().iterator().next();
      if (supportsRemove) {
        int initialSize = map.size();
        map.get(keyToRemove);
        map.remove(keyToRemove);
        // This line doesn't hold - see the Javadoc comments above.
        // assertEquals(expectedValue, oldValue);
        assertFalse(map.containsKey(keyToRemove));
        assertEquals(initialSize - 1, map.size());
      } else {

      }
      final String keyToRemove = map.keySet().iterator().next();
      if (supportsRemove) {
        int initialSize = map.size();
        map.get(keyToRemove);
        map.remove(keyToRemove);
        // This line doesn't hold - see the Javadoc comments above.
        // assertEquals(expectedValue, oldValue);
        assertFalse(map.containsKey(keyToRemove));
        assertEquals(initialSize - 1, map.size());
      } else {

import java.util.Optional;
import java.util.StringJoiner;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * The option of a Java command-line tool where to place the paths to some dependencies.
 * A {@code PathType} can identify the class-path, the module-path, the patches for a specific module,
 * or another kind of path.
 *