Add maximumLineCount to ASTextNode... which corresponds to maximumNumberOfLines on the underlying container

AsyncDisplayKit/ASTextNode.h

@@ -64,6 +64,12 @@ typedef NS_ENUM(NSUInteger, ASTextNodeHighlightStyle) {
  */
 @property (nonatomic, readonly, assign, getter=isTruncated) BOOL truncated;
 
+/**
+ @abstract The maximum number of lines to render of the text before truncation.
+ @default 0 (No limit)
+ */
+@property (nonatomic, assign) NSUInteger maximumLineCount;
+
 /**
  @abstract The number of lines in the text. Text must have been sized first.
  */