text: //
  //   Copyright 2014 Slack Technologies, Inc.
  //
  //   Licensed under the Apache License, Version 2.0 (the "License");
  //   you may not use this file except in compliance with the License.
  //   You may obtain a copy of the License at
  //
  //       http://www.apache.org/licenses/LICENSE-2.0
  //
  //   Unless required by applicable law or agreed to in writing, software
  //   distributed under the License is distributed on an "AS IS" BASIS,
  //   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  //   See the License for the specific language governing permissions and
  //   limitations under the License.
  //
  
  #import <UIKit/UIKit.h>
  
  /** @name UIScrollView additional features used for SlackTextViewController. */
  @interface UIScrollView (SLKAdditions)
  
  /** YES if the scrollView's offset is at the very top. */
  @property (nonatomic, readonly) BOOL isAtTop;
  /** YES if the scrollView's offset is at the very bottom. */
  @property (nonatomic, readonly) BOOL isAtBottom;
  /** YES if the scrollView can scroll from it's current offset position to the bottom. */
  @property (nonatomic, readonly) BOOL canScrollToBottom;
  
  /** The vertical scroll indicator view. */
  @property (nonatomic, readonly) UIView *verticalScroller;
  /** The horizontal scroll indicator view. */
  @property (nonatomic, readonly) UIView *horizontalScroller;
  
  /**
   Sets the content offset to the top.
   @param animated YES to animate the transition at a constant velocity to the new offset, NO to make the transition immediate.
   */
  - (void)scrollToTopAnimated:(BOOL)animated;
  
  /**
   Sets the content offset to the bottom.
   @param animated YES to animate the transition at a constant velocity to the new offset, NO to make the transition immediate.
   */
  - (void)scrollToBottomAnimated:(BOOL)animated;
  
  /**
   Stops scrolling, if it was scrolling.
   */
  - (void)stopScrolling;
  
  @end
  