*/
    @Deprecated
    public FileSource(File file) {
        this(Objects.requireNonNull(file, "file cannot be null").toPath());
    }

    /**
     * Creates a new source backed by the specified file.
     *
     * @param path The file, must not be {@code null}.
     * @since 4.0.0
     */
    public FileSource(Path path) {
        this.path = Objects.requireNonNull(path, "path cannot be null").toAbsolutePath();

import javax.xml.stream.XMLStreamException;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.nio.file.Files;
import java.util.Map;
import java.util.Objects;

import org.apache.maven.api.toolchain.InputSource;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;

/**

 * under the License.
 */
package org.apache.maven.internal.impl;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;

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

    if (rank == null) {
      throw new IncomparableValueException(value);
    }
    return rank;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof ExplicitOrdering) {
      ExplicitOrdering<?> that = (ExplicitOrdering<?>) object;
      return this.rankMap.equals(that.rankMap);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return rankMap.hashCode();

    if (rank == null) {
      throw new IncomparableValueException(value);
    }
    return rank;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof ExplicitOrdering) {
      ExplicitOrdering<?> that = (ExplicitOrdering<?>) object;
      return this.rankMap.equals(that.rankMap);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return rankMap.hashCode();

   * {@link #edges()}, {@link #adjacentNodes(Object)}, {@link #predecessors(Object)}, {@link
   * #successors(Object)} and {@link #incidentEdges(Object)}.
   *
   * @since 29.0
   */
  ElementOrder<N> incidentEdgeOrder();

  /**
   * Returns a live view of this graph as a {@link Network} whose edges {@code E} are {@code
   * EndpointPair<N>} objects (that is, a {@code Network<N, EndpointPair<N>>}). The resulting {@code

        return false;
    }

    @Override
    public void trace(String msg) {}

    @Override
    public void trace(String format, Object arg) {}

    @Override
    public void trace(String format, Object arg1, Object arg2) {}

    @Override
    public void trace(String format, Object... arguments) {}

    @Override
    public void trace(String msg, Throwable t) {}

    @Override

            .map(ChangelogEntry::getDeprecation)
            .filter(Objects::nonNull)
            .sorted(comparing(ChangelogEntry.Deprecation::getTitle))
            .collect(groupingBy(ChangelogEntry.Deprecation::getArea, TreeMap::new, Collectors.toList()));

        final Map<String, Object> bindings = new HashMap<>();
        bindings.put("breakingChangesByNotabilityByArea", breakingChangesByNotabilityByArea);

    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        InputSource that = (InputSource) o;
        return java.util.Objects.equals(modelId, that.modelId)
                && java.util.Objects.equals(location, that.location)

Ainda é possível usar `BackgroundTask` sozinho no FastAPI, mas você precisa criar o objeto no seu código e retornar uma `Response` da Starlette incluindo-o.