public static PluginDescription getPluginDescription(Class<? extends Plugin> c) {
		// TODO: sync the hashmap?
		PluginDescription cachedPD =
			CACHE.computeIfAbsent(c, PluginDescription::createPluginDescription);
		return cachedPD;
	}
Fetches the {@link PluginDescription} for the specified Plugin class.
<p>
If the PluginDescription is found in the static cache, it is returned directly,
otherwise a new instance is created (using annotation data attached to the Plugin
class) and it is cached for later use.

@param c Plugin's class
@return {@link PluginDescription}
Ghidra/Framework/Project/src/main/java/ghidra/framework/plugintool/util/PluginDescription.java