def METHOD_NAME(idl_node):
    node_name = idl_node.id if idl_node.id else 'parent'
    for idl_type in idl_node.all(idlnode.IDLType):
        # One last check is the type a typedef in an IDL file (the typedefs
        # are treated as global).
        resolvedType = resolveTypedef(idl_type)
        if (resolvedType != idl_type):
            idl_type.id = resolvedType.id
            idl_type.nullable = resolvedType.nullable
            continue
    return True