message: Add 'locked' field to Compendium
diff: @@ -65,6 +65,12 @@ declare class Compendium extends Application {
  */
  index: string[];
  + /**
  + * Track whether the compendium pack is locked for editing
  + * @type {boolean}
  + */
  + locked: boolean;
  +
  // Internal flags
  searchString: string | null;
  protected _searchTime: number;
  