diff --git a/frontend-js/src/main/js/map/CustomMap.js b/frontend-js/src/main/js/map/CustomMap.js
index 25f134c53116c68a05bae304990e01496374bad9..c9d013b11f3f002f1563e377378815d81804eef0 100644
--- a/frontend-js/src/main/js/map/CustomMap.js
+++ b/frontend-js/src/main/js/map/CustomMap.js
@@ -875,7 +875,7 @@ CustomMap.prototype.updateInfoWindowForIdentifiedElement = function (identifiedE
  *
  * @param {Alias} alias
  *           for which overlay data will be returned
- * @param {Array} general
+ * @param {Object.<string,boolean>} general
  *          if true then all elements will be returned, if false then only ones
  *          available right now in the overlay
  * @returns {Promise} of the data from all {OverlayCollection} for a given alias
@@ -916,7 +916,7 @@ CustomMap.prototype.getOverlayDataForPoint = function (point, general) {
  * Returns data from all {OverlayCollection} for element identified by the
  * parameter
  *
- * @param {Array} general
+ * @param {Object.<string,boolean>} general
  * @param {IdentifiedElement} identifiedElement
  *           for which overlay data will be returned
  * @returns {Promise} of data from all {OverlayCollection} for a given
diff --git a/frontend-js/src/main/js/map/window/AbstractInfoWindow.js b/frontend-js/src/main/js/map/window/AbstractInfoWindow.js
index 4f76c60857246f663788be9a7fed69985ce67f14..3c64acbc06fa1685b0882709d3425e8b392f8ee9 100644
--- a/frontend-js/src/main/js/map/window/AbstractInfoWindow.js
+++ b/frontend-js/src/main/js/map/window/AbstractInfoWindow.js
@@ -411,6 +411,20 @@ AbstractInfoWindow.prototype.createOverlaysDiv = function () {
   });
 };
 
+// noinspection JSUnusedLocalSymbols
+/**
+ * Returns array with data taken from all known {@link AbstractDbOverlay}.
+ *
+ * @param {Object.<string,boolean>} general
+ *          if true then all elements will be returned, if false then only ones
+ *          available right now in the overlay
+ *
+ * @returns {Promise} array with data from {@link AbstractDbOverlay}
+ */
+AbstractInfoWindow.prototype.getOverlaysData = function (general) {
+  throw new Error("Not implemented");
+};
+
 /**
  * Abstract method (to be implemented by subclasses) for updating content.
  *
diff --git a/frontend-js/src/main/js/map/window/AliasInfoWindow.js b/frontend-js/src/main/js/map/window/AliasInfoWindow.js
index bf6596b9697f656c844e606f779d192762f99338..0dcca178fbde93d94f78efb9319a875e8b37933a 100644
--- a/frontend-js/src/main/js/map/window/AliasInfoWindow.js
+++ b/frontend-js/src/main/js/map/window/AliasInfoWindow.js
@@ -210,7 +210,7 @@ AliasInfoWindow.prototype.createContentDiv = function () {
 /**
  * Returns array with data taken from all known {@link AbstractDbOverlay}.
  *
- * @param {boolean} general
+ * @param {Object.<string,boolean>} general
  *          if true then all elements will be returned, if false then only ones
  *          available right now in the overlay
  *