json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "odb",
      "type": "object",
      "required": [
          "info"
      ],
      "properties": {
          "info": {
              "type": "object",
              "properties": {
                  "name": {
                      "type": "string"
                  },
                  "default-cluster-id": {
                      "type": "number"
                  },
                  "exporter-version": {
                      "type": "number"
                  },
                  "engine-version": {
                      "type": "string"
                  },
                  "engine-build": {
                      "type": "string"
                  },
                  "storage-config-version": {
                      "type": "number"
                  },
                  "schema-version": {
                      "type": "number"
                  },
                  "mvrbtree-version": {
                      "type": "number"
                  },
                  "schemaRecordId": {
                      "type": "string"
                  },
                  "indexMgrRecordId": {
                      "type": "string"
                  }
              },
              "required": [
                  "schema-version"
              ]
          },
          "clusters": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "name": {
                          "type": "string"
                      },
                      "id": {
                          "type": "number"
                      }
                  },
                  "required": [
                      "name",
                      "id"
                  ]
              }
          },
          "schema": {
              "type": "object",
              "properties": {
                  "version": {
                      "type": "number"
                  },
                  "classes": {
                      "type": "array",
                      "items": {
                          "type": "object",
                          "properties": {
                              "name": {
                                  "type": "string"
                              },
                              "default-cluster-id": {
                                  "type": "number"
                              },
                              "cluster-ids": {
                                  "type": "array",
                                  "items": {
                                      "type": "number"
                                  }
                              },
                              "cluster-selection": {
                                  "type": "string"
                              },
                              "properties": {
                                  "type": "array",
                                  "items": {
                                      "type": "object",
                                      "properties": {
                                          "name": {
                                              "type": "string"
                                          },
                                          "type": {
                                              "type": "string"
                                          },
                                          "mandatory": {
                                              "type": "boolean"
                                          },
                                          "not-null": {
                                              "type": "boolean"
                                          },
                                          "collate": {
                                              "type": "string"
                                          },
                                          "linked-class": {
                                              "type": "string"
                                          }
                                      },
                                      "required": [
                                          "name",
                                          "type"
                                      ]
                                  }
                              },
                              "abstract": {
                                  "type": "boolean"
                              },
                              "super-class": {
                                  "type": "string"
                              },
                              "oversize": {
                                  "type": "number"
                              }
                          },
                          "required": [
                              "name",
                              "default-cluster-id",
                              "cluster-ids",
                              "cluster-selection"
                          ]
                      }
                  }
              }
          },
          "records": {
              "type": "array",
              "items": {
                  "type": "object"
              }
          },
          "indexes": {
              "type": "array",
              "items": {
                  "type": "object"
              }
          },
          "manualIndexes": {
              "type": "array",
              "items": {
                  "type": "object"
              }
          }
      }
  }