code: package org.omnetpp.inifile.editor.model;
  
  /**
   * Classifies inifile keys; see getKeyType().
   */
  public enum KeyType {
      CONFIG, // contains no dot (like sim-time-limit=, etc)
      PARAM,  // contains dot but no hyphen: parameter setting (like **.app.delay)
      PER_OBJECT_CONFIG; // with dot and hyphen (exception: **.typename)
  
      /**
       * Classify an inifile key, based on its syntax.
       */
      public static KeyType getKeyType(String key) {
          if (!key.contains("."))
              return CONFIG;  // contains no dot
          else if (!key.contains("-") && !key.endsWith("."+ConfigRegistry.TYPENAME))
              return PARAM; // contains dot, but no hyphen
          else
              return PER_OBJECT_CONFIG; // contains both dot and hyphen
      }
  }