if (path == null) {
            logger.warn("{} was not found.", path);
            return null;
        }
        final File osddFile = new File(path);
        if (!osddFile.isFile()) {
            logger.warn("{} was not a file.", path);
            return null;
        }
        return osddFile;
    }

    /**

      TestCharSource failSource = new TestCharSource(STRING, option);
      TestCharSink okSink = new TestCharSink();
      assertThrows(IOException.class, () -> failSource.copyTo(okSink));
      // ensure writer was closed IF it was opened (depends on implementation whether or not it's
      // opened at all if source.newReader() throws).
      assertTrue(
          "stream not closed when copying from source with option: " + option,

## Wie es aussieht

Lassen Sie uns zunächst einfach den Code verwenden und sehen, wie er funktioniert, und dann kommen wir zurück, um zu verstehen, was passiert.

## `main.py` erstellen

Kopieren Sie das Beispiel in eine Datei `main.py`:

{* ../../docs_src/security/tutorial001_an_py39.py *}

## Ausführen

/// info

    public enum DirectoryChangeType {
        /**
         * File was added to the directory
         */
        FILE_ADDED,
        /**
         * File was removed from the directory
         */
        FILE_REMOVED,
        /**
         * File was modified in the directory
         */
        FILE_MODIFIED,
        /**
         * Directory was renamed
         */
        DIRECTORY_RENAMED,
        /**

 * under the License.
 */
package org.apache.maven.api.services;

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

/**
 * Describes a problem that was encountered during model building. A problem can either be an exception that was thrown
 * or a simple string message. In addition, a problem carries a hint about its source, e.g. the POM file that exhibits
 * the problem.
 *
 */

#### `lru_cache` Technical Details { #lru-cache-technical-details }

`@lru_cache` modifies the function it decorates to return the same value that was returned the first time, instead of computing it again, executing the code of the function every time.

  /**
   * Trailers received when the response body became exhausted.
   *
   * If the response body was successfully read until the end, this is the headers that followed,
   * or empty headers if there were none that followed.
   *
   * If the response body was closed prematurely or failed with an error, this will be the sentinel

        verify(mockRequest, times(1)).getCreditCost(); // Verify method was called once
    }

    @Test
    void testSetRequestCredits() {
        // Test case for setRequestCredits method
        int credits = 5;
        mockRequest.setRequestCredits(credits);

        // Verify that setRequestCredits was called with the correct argument
        verify(mockRequest, times(1)).setRequestCredits(credits);
    }

      ) {
        val requested = (endpoint as InetSocketAddress)
        val inetSocketAddress = hostMapping[requested.address] ?: defaultAddress ?: requested
        Platform.get().log("Socket connection to: $inetSocketAddress was: $requested")
        super.connect(inetSocketAddress, timeout)
      }
    }

     *
     * @param type the type of conflict resolver to obtain
     * @return the conflict resolver
     * @throws ConflictResolverNotFoundException
     *          if the specified type was not found
     */
    ConflictResolver getConflictResolver(String type) throws ConflictResolverNotFoundException;