fix: Transaction interface

Author: HazAT

packages/apm/src/transaction.ts

@@ -81,6 +81,9 @@ export class Transaction extends SpanClass {
 
   /**
    * Sets the finish timestamp on the current span.
+   *
+   * @inheritdoc
+   *
    * @param trimEnd If true, sets the end timestamp of the transaction to the highest timestamp of child spans, trimming
    * the duration of the transaction. This is useful to discard extra time in the transaction that is not
    * accounted for in child spans, like what happens in the idle transaction Tracing integration, where we finish the

packages/types/src/transaction.ts

@@ -15,4 +15,16 @@ export interface Transaction extends TransactionContext, Span {
    * Set the name of the transaction
    */
   setName(name: string): void;
+
+  /**
+   * Sets the finish timestamp on the current span.
+   *
+   * @inheritdoc
+   *
+   * @param trimEnd If true, sets the end timestamp of the transaction to the highest timestamp of child spans, trimming
+   * the duration of the transaction. This is useful to discard extra time in the transaction that is not
+   * accounted for in child spans, like what happens in the idle transaction Tracing integration, where we finish the
+   * transaction after a given "idle time" and we don't want this "idle time" to be part of the transaction.
+   */
+  finish(endTimestamp?: number, trimEnd?: boolean): string | undefined;
 }