{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "READABILITY_ENABLED": {
      "type": "boolean",
      "default": true,
      "x-aliases": ["SAVE_READABILITY", "USE_READABILITY"],
      "description": "Enable Readability text extraction"
    },
    "READABILITY_BINARY": {
      "type": "string",
      "default": "readability-extractor",
      "description": "Path to readability-extractor binary"
    },
    "READABILITY_TIMEOUT": {
      "type": "integer",
      "default": 30,
      "minimum": 5,
      "x-fallback": "TIMEOUT",
      "description": "Timeout for Readability in seconds"
    },
    "READABILITY_ARGS": {
      "type": "array",
      "items": {"type": "string"},
      "default": [],
      "x-aliases": ["READABILITY_DEFAULT_ARGS"],
      "description": "Default Readability arguments"
    },
    "READABILITY_ARGS_EXTRA": {
      "type": "array",
      "items": {"type": "string"},
      "default": [],
      "x-aliases": ["READABILITY_EXTRA_ARGS"],
      "description": "Extra arguments to append to Readability command"
    }
  }
}