Add tuning params method forwards to ASCollectionNode

AsyncDisplayKit/ASCollectionNode.h

@@ -18,6 +18,26 @@
 
 @property (nonatomic, readonly) ASCollectionView *view;
 
+/**
+ * Tuning parameters for a range type.
+ *
+ * @param rangeType The range type to get the tuning parameters for.
+ *
+ * @returns A tuning parameter value for the given range type.
+ *
+ * Defaults to the render range having one sceenful both leading and trailing and the preload range having two
+ * screenfuls in both directions.
+ */
+- (ASRangeTuningParameters)tuningParametersForRangeType:(ASLayoutRangeType)rangeType;
+
+/**
+ * Set the tuning parameters for a range type.
+ *
+ * @param tuningParameters The tuning parameters to store for a range type.
+ * @param rangeType The range type to set the tuning parameters for.
+ */
+- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeType:(ASLayoutRangeType)rangeType;
+
 /**
  * Reload everything from scratch, destroying the working range and all cached nodes.
  *

AsyncDisplayKit/ASCollectionNode.m

@@ -45,6 +45,16 @@
 
 #pragma mark - ASCollectionView Forwards
 
+- (ASRangeTuningParameters)tuningParametersForRangeType:(ASLayoutRangeType)rangeType
+{
+  return [self.view tuningParametersForRangeType:rangeType];
+}
+
+- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeType:(ASLayoutRangeType)rangeType
+{
+  return [self.view setTuningParameters:tuningParameters forRangeType:rangeType];
+}
+
 - (void)reloadDataWithCompletion:(void (^)())completion
 {
   [self.view reloadDataWithCompletion:completion];

AsyncDisplayKit/ASPagerNode.h

@@ -14,8 +14,6 @@
 
 @property (weak, nonatomic) id<ASPagerNodeDataSource> dataSource;
 
-- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeType:(ASLayoutRangeType)rangeType;
-
 @end
 
 @protocol ASPagerNodeDataSource <NSObject>

AsyncDisplayKit/ASPagerNode.m

@@ -49,11 +49,6 @@
   [self setTuningParameters:renderParams forRangeType:ASLayoutRangeTypeRender];
 }
 
-- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeType:(ASLayoutRangeType)rangeType
-{
-  [self.view setTuningParameters:tuningParameters forRangeType:rangeType];
-}
-
 #pragma mark - ASCollectionViewDataSource
 
 - (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForItemAtIndexPath:(NSIndexPath *)indexPath