{
  "File": [
    {
      "name": "parents",
      "types": [
        {
          "namespace": "File"
        },
        {
          "namespace": "Folder"
        }
      ]
    },
    {
      "name": "viewers",
      "types": [
        {
          "namespace": "User"
        },
        {
          "namespace": "Group",
          "relation": "members"
        }
      ]
    },
    {
      "name": "owners",
      "types": [
        {
          "namespace": "User"
        },
        {
          "namespace": "Group",
          "relation": "members"
        }
      ]
    },
    {
      "name": "siblings",
      "types": [
        {
          "namespace": "File"
        }
      ]
    },
    {
      "name": "view",
      "rewrite": {
        "operator": "or",
        "children": [
          {
            "operator": "and",
            "children": [
              {
                "relation": "parents",
                "computed_subject_set_relation": "viewers"
              },
              {
                "relation": "parents",
                "computed_subject_set_relation": "view"
              }
            ]
          },
          {
            "relation": "viewers"
          },
          {
            "relation": "viewers"
          },
          {
            "relation": "viewers"
          },
          {
            "relation": "owners"
          }
        ]
      }
    },
    {
      "name": "edit",
      "rewrite": {
        "operator": "or",
        "children": [
          {
            "relation": "owners"
          }
        ]
      }
    },
    {
      "name": "not",
      "rewrite": {
        "operator": "or",
        "children": [
          {
            "inverted": {
              "relation": "owners"
            }
          }
        ]
      }
    },
    {
      "name": "rename",
      "rewrite": {
        "operator": "or",
        "children": [
          {
            "relation": "siblings",
            "computed_subject_set_relation": "edit"
          }
        ]
      }
    }
  ],
  "Folder": [
    {
      "name": "parents",
      "types": [
        {
          "namespace": "File"
        }
      ]
    },
    {
      "name": "viewers",
      "types": [
        {
          "namespace": "Group",
          "relation": "members"
        }
      ]
    },
    {
      "name": "view",
      "rewrite": {
        "operator": "or",
        "children": [
          {
            "relation": "viewers"
          }
        ]
      }
    }
  ],
  "Group": [
    {
      "name": "members",
      "types": [
        {
          "namespace": "User"
        },
        {
          "namespace": "Group"
        }
      ]
    }
  ],
  "User": [
    {
      "name": "manager",
      "types": [
        {
          "namespace": "User"
        }
      ]
    }
  ]
}