fix: make tryNext and Batch public

src/bulk/common.ts

@@ -137,7 +137,7 @@ export interface BulkResult {
  * Keeps the state of a unordered batch so we can rewrite the results
  * correctly after command execution
  *
- * @internal
+ * @public
  */
 export class Batch {
   originalZeroIndex: number;

src/change_stream.ts

@@ -335,6 +335,13 @@ export class ChangeStream extends EventEmitter {
     }
     return this.cursor.stream(options);
   }
+
+  tryNext(): Promise<Document | null> {
+    if (!this.cursor) {
+      throw new MongoError('ChangeStream has no cursor, unable to tryNext');
+    }
+    return this.cursor.tryNext();
+  }
 }
 
 /** @internal */

src/cursor/abstract_cursor.ts

@@ -265,7 +265,6 @@ export abstract class AbstractCursor extends EventEmitter {
 
   /**
    * Try to get the next available document from the cursor or `null` if an empty batch is returned
-   * @internal
    */
   tryNext(): Promise<Document | null>;
   tryNext(callback: Callback<Document | null>): void;