Elep

{
  "$schema": "http://json-schema.org/schema",
  "id": "BuildersSchema",
  "title": "Builders schema for validating a list of builders.",
  "type": "object",
  "properties": {
    "$schema": {
      "type": "string",
      "description": "Link to schema."
    },
    "builders": {
      "type": "object",
      "additionalProperties": {
        "$ref": "#/definitions/builder"
      }
    }
  },
  "required": [
    "builders"
  ],
  "definitions": {
    "builder": {
      "type": "object",
      "description": "Target options for Builders.",
      "allOf": [
        {
          "properties": {
            "schema": {
              "type": "string",
              "description": "Schema for builder option validation."
            },
            "description": {
              "type": "string",
              "description": "Builder description."
            }
          },
          "required": [
            "schema",
            "description"
          ]
        },
        {
          "anyOf": [
            {
              "properties": {
                "implementation": {
                  "type": "string",
                  "description": "The next generation builder module."
                }
              },
              "required": [
                "implementation"
              ]
            },
            {
              "properties": {
                "class": {
                  "type": "string",
                  "description": "The builder class module."
                }
              },
              "required": [
                "class"
              ]
            }
          ]
        }
      ]
    }
  }
}