Fixes: U4-6363 Expose Dictionary item access on UmbracoHelper

src/Umbraco.Core/Dictionary/CultureDictionaryFactoryResolver.cs

@@ -1,3 +1,5 @@
+using System;
+using System.ComponentModel;
 using Umbraco.Core.ObjectResolution;
 
 namespace Umbraco.Core.Dictionary
@@ -12,15 +14,22 @@ namespace Umbraco.Core.Dictionary
 		{
 		}
 
-		/// <summary>
-		/// Can be used by developers at runtime to set their ICultureDictionaryFactory at app startup
-		/// </summary>
-		/// <param name="factory"></param>
+        [Obsolete("Use SetDictionaryFactory instead")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
 		public void SetContentStore(ICultureDictionaryFactory factory)
 		{
 			Value = factory;
 		}
 
+        /// <summary>
+        /// Can be used by developers at runtime to set their ICultureDictionaryFactory at app startup
+        /// </summary>
+        /// <param name="factory"></param>
+        public void SetDictionaryFactory(ICultureDictionaryFactory factory)
+        {
+            Value = factory;
+        }
+
 		/// <summary>
 		/// Returns the ICultureDictionaryFactory
 		/// </summary>

src/Umbraco.Core/Dictionary/ICultureDictionary.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Globalization;
 
 namespace Umbraco.Core.Dictionary
@@ -19,5 +20,12 @@ namespace Umbraco.Core.Dictionary
 		/// Returns the current culture
 		/// </summary>
 		CultureInfo Culture { get; }
+
+        /// <summary>
+        /// Returns the child dictionary entries for a given key
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+	    IDictionary<string, string> GetChildren(string key);
 	}
 }