"     argspec: "args=[\'self\'], varargs=None, keywords=None, defaults=None"   }   member_method {     name: "get_input_at"     argspec: "args=[\'self\', \'node_index\'], varargs=None, keywords=None, defaults=None"   }   member_method {     name: "get_input_mask_at"     argspec: "args=[\'self\', \'node_index\'], varargs=None, keywords=None, defaults=None"   }   member_method {     name: "get_input_shape_at"     argspec: "args=[\'self\', \'node_index\'], varargs=None, keywords=None, defaults=None"   }   member_method {     name: "get_