private void appendPackage(@Nonnull Printer out) {
		String className = classInfo.getName();
		if (className.contains("/")) {
			String packageName = format.filterEscape(className.substring(0, className.lastIndexOf('/')));
			out.appendLine("package " + packageName.replace('/', '.') + ";");
			out.newLine();
		}
	}
Appends the package name to the output.

@param out
		Printer to write to.
recaf-core/src/main/java/software/coley/recaf/services/decompile/fallback/print/ClassPrinter.java