text: // 
  // Copyright 2020 The Matrix.org Foundation C.I.C
  //
  // 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.
  //
  
  @protocol MXKURLPreviewDataProtocol <NSObject>
  
  /// The URL that's represented by the preview data.
  @property (readonly, nonnull) NSURL *url;
  
  /// The ID of the event that created this preview.
  @property (readonly, nonnull) NSString *eventID;
  
  /// The ID of the room that this preview is from.
  @property (readonly, nonnull) NSString *roomID;
  
  /// The OpenGraph site name for the URL.
  @property (readonly, nullable) NSString *siteName;
  
  /// The OpenGraph title for the URL.
  @property (readonly, nullable) NSString *title;
  
  /// The OpenGraph description for the URL.
  @property (readonly, nullable) NSString *text;
  
  /// The OpenGraph image for the URL.
  @property (readwrite, nullable) UIImage *image;
  
  @end
  