# Docker tests to be skipped on that OS. If /etc/os-release doesn't exist
# (as is the case on centos-6, for example) then that OS will again be
# excluded.
debian-8
opensuse-leap-15.1
ol-7.7
sles-12.3 # older version used in Vagrant image
sles-12.5
sles-15.1
sles-15.2
sles-15.3

# These OSes are deprecated and filtered starting with 8.0.0, but need to be excluded
# for PR checks
centos-6

 */
@NullUnmarked
public abstract class AbstractStandardUndirectedNetworkTest extends AbstractNetworkTest {
  private static final EndpointPair<Integer> ENDPOINTS_N1N2 = EndpointPair.ordered(N1, N2);
  private static final EndpointPair<Integer> ENDPOINTS_N2N1 = EndpointPair.ordered(N2, N1);

  @After
  public void validateUndirectedEdges() {
    for (Integer node : network.nodes()) {
      new EqualsTester()
          .addEqualityGroup(

            .build();
    g2.addEdge(N1, N2, E12);

    assertThat(network).isEqualTo(g2);
  }

  // Node/edge sets and node/edge connections are the same, but edge order differs.
  // (In this case the networks are considered equivalent; the edge add orderings are irrelevant.)
  @Test
  public void equivalent_edgeAddOrdersDiffer() {
    NetworkBuilder<Integer, String> builder =

            .build();
    g2.addEdge(N1, N2, E12);

    assertThat(network).isEqualTo(g2);
  }

  // Node/edge sets and node/edge connections are the same, but edge order differs.
  // (In this case the networks are considered equivalent; the edge add orderings are irrelevant.)
  @Test
  public void equivalent_edgeAddOrdersDiffer() {
    NetworkBuilder<Integer, String> builder =

            modelValueSource2 = new ProblemDetectingValueSource(modelValueSource2, "", "project.", problems);
        }

        // NOTE: Order counts here!
        List<ValueSource> valueSources = new ArrayList<>(9);

        if (projectDir != null) {
            ValueSource basedirValueSource = new PrefixedValueSourceWrapper(

`.add_task()` receives as arguments:

* A task function to be run in the background (`write_notification`).
* Any sequence of arguments that should be passed to the task function in order (`email`).
* Any keyword arguments that should be passed to the task function (`message="some notification"`).

## Dependency Injection { #dependency-injection }

You can declare multiple path parameters and query parameters at the same time, **FastAPI** knows which is which.

And you don't have to declare them in any specific order.

They will be detected by name:

{* ../../docs_src/query_params/tutorial004_py310.py hl[6,8] *}

## Required query parameters { #required-query-parameters }

in connection with its distribution of the Program in a commercial product
offering. The obligations in this section do not apply to any claims or Losses
relating to any actual or alleged intellectual property infringement. In order
to qualify, an Indemnified Contributor must: a) promptly notify the Commercial
Contributor in writing of such claim, and b) allow the Commercial Contributor
to control, and cooperate with the Commercial Contributor in, the defense

   */
  public abstract Writer openStream() throws IOException;

  /**
   * Opens a new buffered {@link Writer} for writing to this sink. The returned stream is not
   * required to be a {@link BufferedWriter} in order to allow implementations to simply delegate to
   * {@link #openStream()} when the stream returned by that method does not benefit from additional
   * buffering. This method returns a new, independent writer each time it is called.

    @Override
    public Entry<Country, String>[] createArray(int length) {
      return (Entry<Country, String>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<Country, String>> order(List<Entry<Country, String>> insertionOrder) {
      return insertionOrder;
    }

    @Override
    public Country[] createKeyArray(int length) {
      return new Country[length];
    }

    @Override