* and the implementation should respond with a new request that sets the "Authorization" header.
 *
 * ```java
 * if (response.request().header("Authorization") != null) {
 *   return null; // Give up, we've already failed to authenticate.
 * }
 *
 * String credential = Credentials.basic(...)
 * return response.request().newBuilder()
 *     .header("Authorization", credential)
 *     .build();
 * ```
 *

    private OptionalEntity<File> getTargetFile(final String fileName) {
        final File baseDir = new File(getServletContext().getRealPath("/"));
        final File targetFile = new File(getServletContext().getRealPath(fileName));
        final List<File> fileList = getAccessibleFileList(baseDir);
        for (final File file : fileList) {
            if (targetFile.equals(file)) {

                    }
                    return;
                }
                throw new CIFSException("Failed to resolve SIDs", e);
            } catch (final IOException e) {
                throw new CIFSException("Failed to resolve SIDs", e);
            }
        }
    }

    @Override

///

## Actualizando las versiones de FastAPI { #upgrading-the-fastapi-versions }

Deberías añadir tests para tu aplicación.

Con **FastAPI** es muy fácil (gracias a Starlette), revisa la documentación: [Testing](../tutorial/testing.md){.internal-link target=_blank}

				return
			}
		case "cmp":
			z.Complete, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "Complete")
				return
			}
		case "fl":
			z.Failed, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "Failed")
				return
			}
		case "cnl":
			z.Canceled, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "Canceled")
				return
			}
		case "bkts":

        CIFSException expectedException = new CIFSException("Watch operation failed");
        when(watchHandle.watch()).thenThrow(expectedException);

        // Execute and verify
        CIFSException thrown = assertThrows(CIFSException.class, () -> {
            watchHandle.watch();
        });

        assertEquals("Watch operation failed", thrown.getMessage());
        verify(watchHandle, times(1)).watch();
    }

                            } catch (final Exception e) {
                                if (logger.isDebugEnabled()) {
                                    logger.debug("Failed to detect MIME type from file, using default: url={}, file={}, defaultMimeType={}",
                                            url, outputFile.getAbsolutePath(), defaultMimeType, e);
                                }

                logger.warn("Failed to download {}", id, e);
                throwValidationErrorApi(messages -> messages.addErrorsStorageFileDownloadFailure(GLOBAL, pi.getName()));
            }
        });
    }

    // DELETE /api/admin/storage/delete/{id}/
    /**
     * Deletes a file from storage.
     * @param id The ID of the file to delete.

    /**
     * Test that a RuntimeCIFSException is thrown when the handshake fails due to an underlying exception.
     * @throws IOException
     */
    @Test
    void testHandshakeThrowsRuntimeExceptionOnFailure() throws Exception {
        // Arrange
        when(mockConnection.getHeaderField(0)).thenThrow(new RuntimeException("Connection failed"));
        doNothing().when(mockConnection).connect();

        // Act & Assert

   * This avoids sending potentially sensitive data like HTTP cookies to the proxy unencrypted.
   *
   * In order to support preemptive authentication we pass a fake "Auth Failed" response to the
   * authenticator. This gives the authenticator the option to customize the CONNECT request. It can
   * decline to do so by returning null, in which case OkHttp will use it as-is.
   */