public void addSource(@Nonnull String className, @Nonnull String content) {
		addFile(className, new VirtualJavaFileObject(className, content));
	}
Add class to compilation process.

@param className
		Name of class to compile.
@param content
		Source code of class.
recaf-core/src/main/java/software/coley/recaf/services/compile/VirtualUnitMap.java