{
  "mode_list": [
    {
      "name": "mode_a"
    },
    {
      "name": "mode_b",
      "degrade_list": [
        "mode_a"
      ]
    }
  ],
  "object_list": [
    {
      "type": "source_node_type",
      "name": "source",
      "enabled_modes": "all",
      "construct_config": {},
      "init_configs": [
        {
          "modes": [
            "mode_a"
          ],
          "config": {
            "init_value": 2
          }
        },
        {
          "modes": [
            "mode_b"
          ],
          "config": {
            "init_value": 3
          }
        }
      ],
      "start_configs": [
        {
          "modes": [
            "mode_a"
          ],
          "config": {
            "start_value": 3
          }
        },
        {
          "modes": [
            "mode_b"
          ],
          "config": {
            "start_value": 4
          }
        }
      ]
    },
    {
      "type": "proxy_node_type",
      "name": "proxy",
      "enabled_modes": [
        "mode_b"
      ],
      "construct_config": {},
      "init_configs": [
        {
          "modes": "all",
          "config": {
            "init_value": 5
          }
        }
      ],
      "start_configs": [
        {
          "modes": "all",
          "config": {}
        }
      ]
    },
    {
      "type": "target_node_type",
      "name": "target",
      "enabled_modes": "all",
      "construct_config": {},
      "init_configs": [
        {
          "modes": "all",
          "config": {}
        }
      ],
      "start_configs": [
        {
          "modes": "all",
          "config": {}
        }
      ]
    }
  ],
  "connection_list": [
    {
      "modes": [
        "mode_a"
      ],
      "connections": [
        {
          "signal_object": "source",
          "signal_name": "output",
          "slot_object": "target",
          "slot_name": "input"
        }
      ]
    },
    {
      "modes": [
        "mode_b"
      ],
      "connections": [
        {
          "signal_object": "source",
          "signal_name": "output",
          "slot_object": "proxy",
          "slot_name": "input"
        },
        {
          "signal_object": "proxy",
          "signal_name": "output",
          "slot_object": "target",
          "slot_name": "input"
        }
      ]
    }
  ]
}