async keyword withTransaction and agg.explain

Author: nbbeeken

src/cursor/aggregation_cursor.ts

@@ -77,7 +77,7 @@ export class AggregationCursor<TSchema = any> extends AbstractCursor<TSchema> {
   }
 
   /** Execute the explain for the cursor */
-  explain(verbosity?: ExplainVerbosityLike): Promise<Document> {
+  async explain(verbosity?: ExplainVerbosityLike): Promise<Document> {
     return executeOperation(
       this.client,
       new AggregateOperation(this.namespace, this[kPipeline], {

src/sessions.ts

@@ -444,7 +444,7 @@ export class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
    * @param options - optional settings for the transaction
    * @returns A raw command response or undefined
    */
-  withTransaction<T = void>(
+  async withTransaction<T = void>(
     fn: WithTransactionCallback<T>,
     options?: TransactionOptions
   ): Promise<Document | undefined> {