// (We're relying on callers to call this method only with an edge that's in the graph.)
    return requireNonNull(outEdgeMap.get(edge));
  }

  @Override
  public N removeInEdge(E edge, boolean isSelfLoop) {
    if (isSelfLoop) {
      checkNonNegative(--selfLoopCount);
    }
    N previousNode = inEdgeMap.remove(edge);
    // We're relying on callers to call this method only with an edge that's in the graph.

        // Mock close success for the first call
        doAnswer(invocation -> {
            MsrpcSamrCloseHandle rpc = invocation.getArgument(0);
            rpc.retval = 0;
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrCloseHandle.class));

        // First close call
        aliasHandle.close();

        // Act: Call close again
        aliasHandle.close();

    }

    @Test
    void testWriteParameterWordsWireFormat() {
        // This method is empty, just call it for coverage
        assertEquals(0, response.writeParameterWordsWireFormat(new byte[0], 0));
    }

    @Test
    void testWriteBytesWireFormat() {
        // This method is empty, just call it for coverage
        assertEquals(0, response.writeBytesWireFormat(new byte[0], 0));
    }

 * Implementations of this interface should respond to [Call.cancel] by immediately throwing an
 * [IOException].
 *
 * Most callers won't need this interface, and should use [Response.trailers] instead.
 *
 * This interface is for test and production code that creates [Response] instances without making
 * an HTTP call to a remote server.
 */
interface TrailersSource {
  @Throws(IOException::class)

          executorService.submit(
              new Callable<@Nullable Void>() {
                @Override
                public @Nullable Void call() throws Exception {
                  startLatch.countDown();
                  startLatch.await();
                  callable.call();
                  doneLatch.countDown();
                  return null;
                }
              });
    }
    doneLatch.await();

        verify(mockResponse, times(2)).isReceived();
    }

    @Test
    void testReceived() {
        // Call the method
        mockResponse.received();

        // Verify that the method was called
        verify(mockResponse, times(1)).received();
    }

    @Test
    void testClearReceived() {
        // Call the method
        mockResponse.clearReceived();

        // Verify that the method was called

		t.Fatalf("Test %s: Failed to create HTTP request for RemoveBucketHandler: <ERROR> %v", instanceType, err)
	}
	// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
	// Call the ServeHTTP to execute the handler.
	apiRouter.ServeHTTP(rec, req)
	switch rec.Code {
	case http.StatusOK, http.StatusCreated, http.StatusAccepted, http.StatusNoContent:

  static final String MULTIPLE_EDGES_CONNECTING =
      "Cannot call edgeConnecting() when parallel edges exist between %s and %s. Consider calling "
          + "edgesConnecting() instead.";
  static final String PARALLEL_EDGES_NOT_ALLOWED =
      "Nodes %s and %s are already connected by a different edge. To construct a graph "
          + "that allows parallel edges, call allowsParallelEdges(true) on the Builder.";

   *
   * Though any call may be initiated as a duplex call, only web servers that are specially
   * designed for this nonstandard interaction will use it. As of 2019-01, the only widely-used
   * implementation of this pattern is [gRPC][grpc].
   *
   * Because the encoding of interleaved data is not well-defined for HTTP/1, duplex request

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.sse

import okhttp3.Call
import okhttp3.OkHttpClient
import okhttp3.Response
import okhttp3.sse.EventSource.Companion.processEventSource
import okhttp3.sse.EventSource.Factory.Companion.asEventSourceFactory

object EventSources {