} catch (IOException ex) { }
        return connection.getHeaderField(index);
    }

    public Object getContent() throws IOException {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getContent();
    }

    public Object getContent(Class[] classes) throws IOException {
        try {
            handshake();
        } catch (IOException ex) { }

    //                                                                              Source
    //                                                                              ======
    public abstract Map<String, Object> toSource();

    // ===================================================================================
    //                                                                      Basic Override

      file.name.endsWith(".jpg") -> "image/jpeg"
      file.name.endsWith(".js") -> "application/javascript"
      file.name.endsWith(".png") -> "image/png"
      else -> "text/plain"
    }
  }

  companion object {
    val logger: Logger = Logger.getLogger(Http2Server::class.java.name)

    @JvmStatic
    fun main(args: Array<String>) {
      if (args.size != 1 || args[0].startsWith("-")) {

                  list.add(e);
                }
                Collections.reverse(list);
                return list;
              }

              @Override
              public Set<E> create(Object... elements) {
                NavigableSet<E> navigableSet = (NavigableSet<E>) delegate.create(elements);
                return navigableSet.descendingSet();
              }
            })

     */
    @Nonnull
    Optional<List<CoreExtension>> coreExtensions();

    /**
     * Returns the options associated with this invocation request.
     *
     * @return the options object
     */
    @Nonnull
    O options();

   *
   * <p>This is <i>not</i> the same as "all nodes reachable from {@code node} by following outgoing
   * edges". For that functionality, see {@link Graphs#reachableNodes(Graph, Object)}.
   *
   * <p>Some algorithms that operate on a {@code SuccessorsFunction} may produce undesired results
   * if the returned {@link Iterable} contains duplicate elements. Implementations of such

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful