final int pos = className.lastIndexOf('.');
                final String packageName = pos == -1 ? null : className.substring(0, pos);
                final String shortClassName = pos == -1 ? className : className.substring(pos + 1);
                handler.processClass(packageName, shortClassName);
            }
        }
    }

    /**

     *
     * @param packageName
     *            The package name.
     * @return The directory name.
     */
    protected static String toDirectoryName(final String packageName) {
        if (StringUtil.isEmpty(packageName)) {
            return null;
        }
        return packageName.replace('.', '/') + '/';
    }

    /**

  private val configuredLoggers = CopyOnWriteArraySet<Logger>()

  private val knownLoggers =
    LinkedHashMap<String, String>()
      .apply {
        val packageName = OkHttpClient::class.java.`package`?.name

        if (packageName != null) {
          this[packageName] = "OkHttp"
        }

        this[OkHttpClient::class.java.name] = "okhttp.OkHttpClient"
        this[Http2::class.java.name] = "okhttp.Http2"

  override fun onCreate() {
    super.onCreate()

    if (isSecondaryProcess()) {
      OkHttp.initialize(applicationContext)
    }
  }

  private fun isSecondaryProcess(): Boolean = getProcess() != packageName

  @SuppressLint("DiscouragedPrivateApi")
  private fun getProcess(): String? =
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
      getProcessName()
    } else {
      Class

to which the file belongs.
</p>

<pre class="ebnf">
PackageClause = "package" PackageName .
PackageName   = identifier .
</pre>

<p>
The PackageName must not be the <a href="#Blank_identifier">blank identifier</a>.
</p>

<pre>
package math
</pre>

<p>
A set of files sharing the same PackageName form the implementation of a package.