@Nullable
	public Path getExtraPluginDirectory() {
		String pathProperty = System.getProperty("RECAF_EXTRA_PLUGINS");
		if (pathProperty == null)
			return null;
		Path path = Paths.get(pathProperty);
		if (Files.isDirectory(path))
			return path;
		return null;
	}
Set via {@link LaunchCommand} to facilitate plugin development. Usually not set otherwise.

@return Directory where extra plugins are stored. Can be {@code null}.
recaf-core/src/main/java/software/coley/recaf/services/file/RecafDirectoriesConfig.java