Adds abstract ASLayoutController implementation in preparation for custom layout ASLayoutController implementation.

AsyncDisplayKit/Details/ASAbstractLayoutController.h

@@ -0,0 +1,20 @@
+/* Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <AsyncDisplayKit/ASLayoutController.h>
+#import <AsyncDisplayKit/ASBaseDefines.h>
+
+@interface ASAbstractLayoutController : NSObject <ASLayoutController>
+
+- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeType:(ASLayoutRangeType)rangeType;
+
+- (ASRangeTuningParameters)tuningParametersForRangeType:(ASLayoutRangeType)rangeType;
+
+@property (nonatomic, assign) ASRangeTuningParameters tuningParameters ASDISPLAYNODE_DEPRECATED;
+
+@end