SeedLauncher (seed-specs 3.10.0 API)

```
public interface SeedLauncher
```
This interface defines a method that can launch a SeedStack application. Implementations must be declared as a ServiceLoader service in META-INF/services to be detected.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default Optional<io.nuun.kernel.api.Kernel>`	`getKernel()`	Returns the currently running kernel created by this launcher.
`default void`	`launch(String[] args)`	Launches the SeedStack application.
`void`	`launch(String[] args, Map<String,String> kernelParameters)`	Launches the SeedStack application with custom kernel parameters.
`default void`	`refresh()`	Refreshes the SeedStack application.
`void`	`shutdown()`	Shutdown the SeedStack application.

- Method Detail
  - launch
```
default void launch(String[] args)
             throws Exception
```
    Launches the SeedStack application.
    
    Parameters:
    
    args - arguments of the SeedStack application.
    
    Throws:
    
    Exception - when something goes wrong.
  - launch
```
void launch(String[] args,
            Map<String,String> kernelParameters)
     throws Exception
```
    Launches the SeedStack application with custom kernel parameters.
    
    Parameters:
    
    args - arguments of the SeedStack application.
    
    kernelParameters - the custom kernel parameters.
    
    Throws:
    
    Exception - when something goes wrong.
  - refresh
```
default void refresh()
              throws Exception
```
    Refreshes the SeedStack application.
    
    Throws:
    
    Exception - when something goes wrong.
  - getKernel
```
default Optional<io.nuun.kernel.api.Kernel> getKernel()
```
    Returns the currently running kernel created by this launcher.
    
    Returns:
    
    the optional containing the currently running kernel or an empty optional if none is currently running.
  - shutdown
```
void shutdown()
       throws Exception
```
    Shutdown the SeedStack application.
    
    Throws:
    
    Exception - when something goes wrong.