*
   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  int outDegree(N node);

  /**
   * Returns true if there is an edge that directly connects {@code nodeU} to {@code nodeV}. This is
   * equivalent to {@code nodes().contains(nodeU) && successors(nodeU).contains(nodeV)}.
   *

# Header 1 { #header-1 }

Some text with a link to <a href="https://fastapi.tiangolo.com">FastAPI</a>.

## Header 2 { #header-2 }

Two links here: <a href="https://fastapi.tiangolo.com/how-to/">How to</a> and <a href="project-generation.md" class="internal-link" target="_blank">Project Generators</a>.

### Header 3 { #header-3 }

                            if (Objects.equals(artifact.getGroupId(), groupId)
                                    && Objects.equals(artifact.getArtifactId(), artifactId)) {
                                // here groupId and artifactId cannot be null
                                return new PluginInfo(groupId, artifactId, goalPrefix, name);
                            } else {
                                logger.warn(

# External Links

**FastAPI** has a great community constantly growing.

There are many posts, articles, tools, and projects, related to **FastAPI**.

You could easily use a search engine or video platform to find many resources related to FastAPI.

/// info

Before, this page used to list links to external articles.

from fastapi import FastAPI, Header, HTTPException
from pydantic import BaseModel

fake_secret_token = "coneofsilence"

fake_db = {
    "foo": {"id": "foo", "title": "Foo", "description": "There goes my hero"},
    "bar": {"id": "bar", "title": "Bar", "description": "The bartenders"},
}

app = FastAPI()


class Item(BaseModel):
    id: str
    title: str
    description: str | None = None

    fi
    if [ -n "$pidfile" ] && [ ! -e "$pidfile" ]; then
        touch "$pidfile" && chown "$FESS_USER":"$FESS_GROUP" "$pidfile"
    fi

    echo -n $"Starting $prog: "
    # if not running, start it up here, usually something like "daemon $exec"
    daemon --user $FESS_USER --pidfile="$pidfile" $exec -d
    retval=$?
    pid=`ps aux | grep "^${FESS_USER}" | grep "${PROC_NAME}" | sed 's/[\t ]\+/\t/g' | cut -f2`

  // which overrides ImmutableSet & which ImmutableSortedSet extends.
  // It is necessary here because otherwise the builder() method
  // would be inherited from the emulated ImmutableSet.
  // TODO(cpovirk): should we be including other methods from the shim here and
  // in ImmutableSortedMap?
  @Deprecated
  public static <E> ImmutableSortedSet.Builder<E> builder() {

Directory for library extension

If you use a database that DBFlute does not have its JDBC driver,
put your own JDBC driver for the database here.

  // It's a constant, and we can't use ImmutableMap here without creating a circular dependency.
  @SuppressWarnings("ConstantCaseForConstants")
  private static final Map<Class<?>, Class<?>> PRIMITIVE_TO_WRAPPER_TYPE;

  /** A map from wrapper types to their corresponding primitive types. */
  // It's a constant, and we can't use ImmutableMap here without creating a circular dependency.

# Define this here and not in the main mkdocs.yml file because that one is auto
# updated and written, and the script would remove the env var
markdown_extensions:
  pymdownx.highlight: