/*
 * Copyright (C) 2011 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either

   informed of the possibility of such damages. This limitation of liability
   shall not apply to liability for death or personal injury resulting from such
   party’s negligence to the extent applicable law prohibits such limitation.
   Some jurisdictions do not allow the exclusion or limitation of incidental or
   consequential damages, so this exclusion and limitation may not apply to You.

8. Litigation

   * network that does not allow them will throw an {@link IllegalArgumentException}.
   */
  boolean allowsParallelEdges();

  /**
   * Returns true if this network allows self-loops (edges that connect a node to itself).
   * Attempting to add a self-loop to a network that does not allow them will throw an {@link
   * IllegalArgumentException}.
   */

from typing import Union


def say_hi(name: Union[str, None] = None):
    if name is not None:
        print(f"Hey {name}!")
    else:

        catch ( TimeoutException e ) {
            log.info("Timeout waiting", e);
            fail("Did not recieve notification");
        }
    }


    @Test
    public void testWatchModified () throws InterruptedException, ExecutionException, IOException {
        // samba 4 starting with some version does not seem to handle this correctly :(
        try ( SmbWatchHandle w = this.base

                        // request digest
                        // Ignore a missing signature for SMB < 3.0, as
                        // - the specification does not clearly require that (it does for SMB3+)
                        // - there seem to be server implementations (known: EMC Isilon) that do not sign the final
                        // response

   * {@link StandardCharsets#UTF_16} instead.
   *
   */
  @J2ktIncompatible
  @GwtIncompatible // Charset not supported by GWT
  public static final Charset UTF_16 = StandardCharsets.UTF_16;

  /*
   * Please do not add new Charset references to this class, unless those character encodings are
   * part of the set required to be supported by all Java platform implementations! Any Charsets

   * A specific warning about locking: Code that executes user-supplied tasks, such as {@code
   * ListenableFuture} listeners, should take care not to do so while holding a lock. Additionally,
   * as a further line of defense, prefer not to perform any locking inside a task that will be run
   * under {@code directExecutor}: Not only might the wait for a lock be long, but if the running
   * thread was holding a lock, the listener may deadlock or break lock isolation.

   * Returns the result of applying this predicate to {@code input} (Java 8+ users, see notes in the
   * class documentation above). This method is <i>generally expected</i>, but not absolutely
   * required, to have the following properties:
   *
   * <ul>
   *   <li>Its execution does not cause any observable side effects.
   *   <li>The computation is <i>consistent with equals</i>; that is, {@link Objects#equal

        user_dict = db[username]
        return UserInDB(**user_dict)


def authenticate_user(fake_db, username: str, password: str):
    user = get_user(fake_db, username)
    if not user:
        return False
    if not verify_password(password, user.hashed_password):
        return False
    return user


def create_access_token(data: dict, expires_delta: timedelta | None = None):
    to_encode = data.copy()