FeatureService (Atlassian Confluence 8.0.0 API)

All Known Implementing Classes:

PluginModuleFeatureService
```
public interface FeatureService
```
Provides registered Features.

Since:

5.3

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`Set<String>`	`getRegisteredFeatures()`
`default void`	`verifyFeature(String featureKey)`	Verify that a featureKey is registered
`default void`	`verifyFeatures(Set<String> featureKeys)`	Verify that all keys in a set are registered.

- Method Detail
  - getRegisteredFeatures
```
Set<String> getRegisteredFeatures()
```
    Returns:
    
    a collection of features known to the system.
  - verifyFeature
```
default void verifyFeature(String featureKey)
                    throws UnknownFeatureException
```
    Verify that a featureKey is registered
    
    Parameters:
    
    featureKey -
    
    Throws:
    
    UnknownFeatureException
  - verifyFeatures
```
default void verifyFeatures(Set<String> featureKeys)
                     throws UnknownFeatureException
```
    Verify that all keys in a set are registered. Used temporarily for auditing existing use of Dark Features.
    
    Parameters:
    
    featureKeys -
    
    Throws:
    
    UnknownFeatureException