MAGETWO-61786: Implementation

Author: Bohdan Korablov

app/code/Magento/Config/Model/Config/Structure/ElementVisibilityComposite.php

@@ -22,7 +22,8 @@ class ElementVisibilityComposite implements ElementVisibilityInterface
     private $visibility = [];
 
     /**
-     * @param ElementVisibilityInterface[] $visibility List of objects which implement ElementVisibilityInterface.
+     * @param ElementVisibilityInterface[] $visibility List of objects which define visibility status of form elements
+     * under its own conditions.
      * @throws ConfigurationMismatchException It is thrown if some object from list $visibility
      * implements the wrong interface.
      */

app/code/Magento/Config/Model/Config/Structure/ElementVisibilityInterface.php

@@ -7,7 +7,7 @@
 
 /**
  * Checks visibility status of form elements on Stores > Settings > Configuration page in Admin Panel
- * by their paths in the structure.
+ * by their paths in the system.xml structure.
  */
 interface ElementVisibilityInterface
 {
@@ -21,15 +21,15 @@ interface ElementVisibilityInterface
     /**
      * Check whether form element is disabled by path.
      *
-     * @param string $path The path of form element in the structure
+     * @param string $path The path of form element in the system.xml structure
      * @return bool
      */
     public function isDisabled($path);
 
     /**
-     * Check whether form element is hidden from form by path.
+     * Check whether form element is hidden in form by path.
      *
-     * @param string $path The path of form element in the structure
+     * @param string $path The path of form element in the system.xml structure
      * @return bool
      */
     public function isHidden($path);