IExecutionListener (testng 7.9.0 API)

All Superinterfaces:

ITestNGListener
```
public interface IExecutionListener
extends ITestNGListener
```
A listener used to monitor when a TestNG run starts and ends. When implementation of this listener is wired into TestNG, TestNG will ensure that
- onExecutionStart() gets invoked before TestNG proceeds with invoking any other listener.
- onExecutionFinish() gets invoked at the very last (after report generation phase), before TestNG exits the JVM.

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`onExecutionFinish()`	Invoked once all the suites have been run.
`default void`	`onExecutionStart()`	Invoked before the TestNG run starts.

- Method Detail
  - onExecutionStart
```
default void onExecutionStart()
```
    Invoked before the TestNG run starts.
  - onExecutionFinish
```
default void onExecutionFinish()
```
    Invoked once all the suites have been run.