variableMap.setString("name", var.getName(), false);
variableMap.setString("_key", var.getKey(), false);
  public EOModelMap toMap() {    EOModelMap qualifierMap = new EOModelMap();    qualifierMap.setString("class", "EOKeyValueQualifier", true); //$NON-NLS-1$ //$NON-NLS-2$    qualifierMap.setString("key", myKey, true); //$NON-NLS-1$    qualifierMap.setString("selectorName", mySelectorName, true); //$NON-NLS-1$    if (myValue == null) {      EOModelMap nullMap = new EOModelMap();      nullMap.setString("class", "EONull", true); //$NON-NLS-1$ //$NON-NLS-2$      qualifierMap.setMap("value", nullMap, true); //$NON-NLS-1$    }    else if (myValue instanceof EOQualifierVariable) {      EOQualifierVariable var = (EOQualifierVariable) myValue;      EOModelMap variableMap = new EOModelMap();      variableMap.setString("class", "EOQualifierVariable", true); //$NON-NLS-1$ //$NON-NLS-2$      variableMap.setString("name", var.getName(), false); //$NON-NLS-1$      qualifierMap.setMap("value", variableMap, true); //$NON-NLS-1$    }    else {      qualifierMap.put("value", myValue); //$NON-NLS-1$    }    return qualifierMap;  }