public static Set<ExtensionDetails> getActiveInstalledExtensions() {
		return getAllInstalledExtensions().getActiveExtensions();
	}
Returns true if the given file or directory is a valid ghidra extension.
<p>
Note: This means that the zip or directory contains an extension.properties file.

@param file the zip or directory to inspect
@return true if the given file represents a valid extension
Ghidra/Framework/Generic/src/main/java/ghidra/util/extensions/ExtensionUtils.java