# Entwicklung – Mitwirken

Vielleicht möchten Sie sich zuerst die grundlegenden Möglichkeiten anschauen, [FastAPI zu helfen und Hilfe zu erhalten](help-fastapi.md){.internal-link target=_blank}.

## Entwicklung

Wenn Sie das <a href="https://github.com/fastapi/fastapi" class="external-link" target="_blank">fastapi Repository</a> bereits geklont haben und tief in den Code eintauchen möchten, hier einen Leitfaden zum Einrichten Ihrer Umgebung.

  /**
   * Compares the specified object with this instance for equality. Returns {@code true} if the
   * given object is also a {@code MapDifference} and the values returned by the {@link
   * #entriesOnlyOnLeft()}, {@link #entriesOnlyOnRight()}, {@link #entriesInCommon()} and {@link
   * #entriesDiffering()} of the two instances are equal.
   */
  @Override
  boolean equals(@CheckForNull Object object);

  /**

import org.codelibs.core.beans.impl.BeanDescImpl;
import org.codelibs.core.misc.DisposableUtil;

/**
 * {@link BeanDesc}を生成するクラスです。
 * <p>
 * 指定されたJavaBeansのメタデータを扱う{@link BeanDesc}を返します。
 * </p>
 *
 * <pre>
 * BeanDesc beanDesc = BeanDescFactory.getBeanDesc(Foo.class);
 * </pre>
 * <p>
 * {@link BeanDesc}はキャッシュされます。 キャッシュをクリアするには{@link DisposableUtil#dispose()}
 * を呼び出してください。
 * </p>
 *
 * @author higa
 * @see BeanDesc

@ElementTypesAreNonnullByDefault
public final class Resources {
  private Resources() {}

  /**
   * Returns a {@link ByteSource} that reads from the given URL.
   *
   * @since 14.0
   */
  public static ByteSource asByteSource(URL url) {
    return new UrlByteSource(url);
  }

  /** A byte source that reads from a URL using {@link URL#openStream()}. */
  private static final class UrlByteSource extends ByteSource {

import javax.annotation.CheckForNull;

/**
 * {@link Error} variant of {@link java.util.concurrent.ExecutionException}. As with {@code
 * ExecutionException}, the error's {@linkplain #getCause() cause} comes from a failed task,
 * possibly run in another thread. That cause should itself be an {@code Error}; if not, use {@code
 * ExecutionException} or {@link UncheckedExecutionException}. This allows the client code to

        this(new SmbFile(url, tc), 0, SmbConstants.O_RDONLY, SmbConstants.DEFAULT_SHARING, true);
    }


    /**
     * Creates an {@link java.io.InputStream} for reading bytes from a file on
     * an SMB server represented by the {@link jcifs.smb.SmbFile} parameter. See
     * {@link jcifs.smb.SmbFile} for a detailed description and examples of
     * the smb URL syntax.
     *
     * @param file

        Reader open() throws IOException;
    }

    /**
     * @deprecated use {@link #build(ReaderSupplier)}
     */
    @Deprecated
    public PluginDescriptor build(Reader reader) throws PlexusConfigurationException {
        return build(reader, null);
    }

    /**
     * @deprecated use {@link #build(ReaderSupplier, String)}
     */
    @Deprecated

import org.codelibs.core.log.Logger;

/**
 * {@link DocumentBuilderFactory}の用のユーティリティクラスです。
 *
 * @author higa
 */
public abstract class DocumentBuilderFactoryUtil {

    private static final Logger logger = Logger.getLogger(DocumentBuilderFactoryUtil.class);

    /**
     * 新しい {@link DocumentBuilderFactory}のインスタンスを返します。
     *
     * @return 新しい {@link DocumentBuilderFactory}のインスタンス
     */

 * by supplied comparators. In all cases, this implementation uses {@link Comparable#compareTo} or
 * {@link Comparator#compare} instead of {@link Object#equals} to determine equivalence of
 * instances.
 *
 * <p><b>Warning:</b> The comparators or comparables used must be <i>consistent with equals</i> as
 * explained by the {@link Comparable} class specification. Otherwise, the resulting multiset will

    }
  }

  /**
   * Returns a {@link Converter} that converts values using {@link BiMap#get bimap.get()}, and whose
   * inverse view converts values using {@link BiMap#inverse bimap.inverse()}{@code .get()}.
   *
   * <p>To use a plain {@link Map} as a {@link Function}, see {@link
   * com.google.common.base.Functions#forMap(Map)} or {@link
   * com.google.common.base.Functions#forMap(Map, Object)}.
   *