PluginAwareActionConfig is no longer available to plugins, restricting XWork action customisation

Issue Summary

In Confluence 7.x, the PluginAwareActionConfig class was available via OSGi. Some plugins leveraged this capability to manipulate XWork actions.

This class was made unavailable in Confluence 8.x which is a regression in terms of plugin capability.

This issue also applies to:

• PluginAwareInterceptorConfig
• PluginAwareResultConfig

Steps to Reproduce

1. Write a plugin which leverages PluginAwareActionConfig class
2. Load plugin into Confluence 8.x

Expected Results

Loads successfully

Actual Results

OSGi error

Workaround

N/A