superdesk/superdesk-client-core

# Fixing iterable types so keys/values in the callbacks are not always optional.
# Now, it will be optional or not depending on actual types of passed object.

diff --git a/node_modules/immutable/dist/immutable-nonambient.d.ts b/node_modules/immutable/dist/immutable-nonambient.d.ts
index dc38000..ac0e993 100644
--- a/node_modules/immutable/dist/immutable-nonambient.d.ts
+++ b/node_modules/immutable/dist/immutable-nonambient.d.ts
@@ -1960,7 +1960,7 @@
      *
      */
     map<M>(
-      mapper: (value?: V, key?: K, iter?: /*this*/Iterable<K, V>) => M,
+      mapper: (value: V, key: K, iter: /*this*/Iterable<K, V>) => M,
       context?: any
     ): /*this*/Iterable<K, M>;
 
@@ -1973,7 +1973,7 @@
      *
      */
     filter(
-      predicate: (value?: V, key?: K, iter?: /*this*/Iterable<K, V>) => boolean,
+      predicate: (value: V, key: K, iter: /*this*/Iterable<K, V>) => boolean,
       context?: any
     ): /*this*/Iterable<K, V>;
 
@@ -1986,7 +1986,7 @@
      *
      */
     filterNot(
-      predicate: (value?: V, key?: K, iter?: /*this*/Iterable<K, V>) => boolean,
+      predicate: (value: V, key: K, iter: /*this*/Iterable<K, V>) => boolean,
       context?: any
     ): /*this*/Iterable<K, V>;
 
@@ -2022,7 +2022,7 @@
      *
      */
     sortBy<C>(
-      comparatorValueMapper: (value?: V, key?: K, iter?: /*this*/Iterable<K, V>) => C,
+      comparatorValueMapper: (value: V, key: K, iter: /*this*/Iterable<K, V>) => C,
       comparator?: (valueA: C, valueB: C) => number
     ): /*this*/Iterable<K, V>;
 
@@ -2033,7 +2033,7 @@
      * Note: This is always an eager operation.
      */
     groupBy<G>(
-      grouper: (value?: V, key?: K, iter?: /*this*/Iterable<K, V>) => G,
+      grouper: (value: V, key: K, iter: /*this*/Iterable<K, V>) => G,
       context?: any
     ): /*Map*/Seq.Keyed<G, /*this*/Iterable<K, V>>;