code: @Deprecated
      public void setAccessToken(String token) {
          checkUserSession("setAccessToken");
          synchronized (this.lock) {
              accessToken = token;
              lastAccessUpdateMillisecondsAfterEpoch = System.currentTimeMillis();
              sessionInvalidated = true;
          }
      }
docs: Set the OAuth 2.0 access token for API access.
  <p/>
  This method is deprecated.  See {@link Facebook} and {@link Session} for more info.
  
  @param token
  - access token