json_schema: {
      "$schema": "http://json-schema.org/draft-06/schema#",
      "definitions": {
          "AppMenuItem": {
              "type": "object",
              "properties": {
                  "icons": {
                      "type": "array",
                      "items": {
                          "$ref": "#/definitions/IconInfo"
                      }
                  },
                  "label": {
                      "type": "string",
                      "example": "ANNA+"
                  },
                  "links": {
                      "type": "array",
                      "items": {
                          "$ref": "#/definitions/LinkItem"
                      }
                  },
                  "name": {
                      "type": "string",
                      "example": "anna"
                  }
              },
              "required": [
                  "name",
                  "label",
                  "links"
              ]
          },
          "IconInfo": {
              "properties": {
                  "icon": {
                      "type": "string",
                      "example": "bar-chart"
                  },
                  "type": {
                      "type": "string",
                      "example": "material"
                  }
              }
          },
          "LinkItem": {
              "properties": {
                  "href": {
                      "type": "string",
                      "format": "uri",
                      "example": "http://localhost:8080/ramwa/apps"
                  },
                  "rel": {
                      "type": "string",
                      "enum": [
                          "apps",
                          "menu",
                          "navtree",
                          "navtags",
                          "search",
                          "notification"
                      ]
                  }
              }
          },
          "MenuItem": {
              "properties": {
                  "icon": {
                      "type": "string",
                      "example": "dashboard"
                  },
                  "items": {
                      "type": "array",
                      "items": {
                          "$ref": "#/definitions/MenuItem"
                      }
                  },
                  "label": {
                      "type": "string",
                      "example": "Dashboard"
                  },
                  "routerLink": {
                      "type": "string",
                      "example": "/dashboard"
                  },
                  "url": {
                      "type": "string",
                      "example": "http://external-link.to/navigate/when/item/is?clicked"
                  }
              },
              "required": [
                  "label",
                  "icon"
              ]
          },
          "NavTag": {
              "type": "object",
              "properties": {
                  "icons": {
                      "type": "array",
                      "items": {
                          "$ref": "#/definitions/IconInfo"
                      }
                  },
                  "label": {
                      "type": "string"
                  },
                  "labelPlural": {
                      "type": "string"
                  },
                  "links": {
                      "type": "array",
                      "items": {
                          "$ref": "#/definitions/LinkItem"
                      }
                  },
                  "tag": {
                      "type": "string",
                      "examples": [
                          "domain",
                          "intersection",
                          "pt-line"
                      ]
                  }
              },
              "required": [
                  "tag",
                  "label",
                  "labelPlural"
              ]
          },
          "NavTreeNode": {
              "type": "object",
              "properties": {
                  "children": {
                      "type": "array",
                      "items": {
                          "$ref": "#/definitions/NavTreeNode"
                      }
                  },
                  "id": {
                      "type": "string",
                      "example": "1002"
                  },
                  "label": {
                      "type": "string",
                      "example": "Berlin"
                  },
                  "tags": {
                      "example": "domain",
                      "items": {
                          "type": "string"
                      },
                      "type": "array"
                  }
              },
              "required": [
                  "id",
                  "label"
              ]
          }
      },
      "properties": {
          "AppMenuItem": {
              "$ref": "#/definitions/AppMenuItem"
          },
          "IconInfo": {
              "$ref": "#/definitions/IconInfo"
          },
          "LinkItem": {
              "$ref": "#/definitions/LinkItem"
          },
          "MenuItem": {
              "$ref": "#/definitions/MenuItem"
          },
          "NavTag": {
              "$ref": "#/definitions/NavTag"
          },
          "NavTreeNode": {
              "$ref": "#/definitions/NavTreeNode"
          }
      },
      "required": [
          "AppMenuItem",
          "IconInfo",
          "LinkItem",
          "MenuItem",
          "NavTag",
          "NavTreeNode"
      ]
  }