code: public static List<String> getInstances(String propertyName, boolean asGlobal) {
          return getPropertyService().getInstances(propertyName, asGlobal);
      }
docs: Returns a list of all instance id's associated with the specified property name.
  
  @param propertyName Name of the property.
  @param asGlobal Accesses the global property store if true, the user property store if false.
  @return A list of associated instance id's. May be empty, but never null.
  @see IPropertyService#getInstances