VizMapEventHandlerManager (Cytoscape Swing App API (swing-app-api) 3.8.1 API)

```
public interface VizMapEventHandlerManager
```
Manages VizMapEventHandlers. Handlers are exported as OSGi services, and this manager keeps all of them.
Module: vizmap-gui-api
To use this in your app, include the following dependency in your POM:
```
<dependency>
    <groupId>org.cytoscape</groupId>
    <artifactId>vizmap-gui-api</artifactId>
</dependency>
```
Cytoscape Backwards Compatibility (API Interface): We expect that this interface will be used but not implemented by developers using this interface. As such, we reserve the right to add methods to the interface as part of minor version upgrades. We will not remove methods for any changes other than major version upgrades.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  VizMapEventHandler getHandler(String name)
  Returns handler for the event.

- Method Detail
  - getHandler
```
VizMapEventHandler getHandler(String name)
```
    Returns handler for the event.
    
    Parameters:
    
    name - name of property change event.
    
    Returns:
    
    if handler exists for the given name, returns the handler. Otherwise, returns null.