[
  {
    "properties": [
      {
        "name": "first",
        "return_type": [
          {
            "type": "generic"
          }
        ],
        "description": "Returns the first item of an array."
      },
      {
        "name": "size",
        "description": "Returns the number of items in an array."
      },
      {
        "name": "last",
        "return_type": [
          {
            "type": "generic"
          }
        ],
        "description": "Returns the last item of an array."
      }
    ],
    "name": "array",
    "description": "Arrays hold lists of variables of any type."
  },
  {
    "properties": [
    ],
    "name": "hash",
    "description": "Hashes hold key value pairs."
  },
  {
    "properties": [
      {
        "name": "size",
        "description": "Returns the number of characters in a string."
      }
    ],
    "name": "string",
    "description": "Strings are sequences of characters wrapped in single or double quotes."
  },
  {
    "properties": [],
    "name": "number",
    "description": "Numeric values, including floats and integers."
  },
  {
    "properties": [],
    "name": "boolean",
    "description": "A binary value, either true or false."
  },
  {
    "properties": [],
    "name": "nil",
    "description": "An undefined value. Tags or outputs that return nil don't print anything to the page. They are also treated as false."
  },
  {
    "properties": [],
    "name": "empty",
    "description": "An empty object is returned if you try to access an object that is defined, but has no value. For example a page or product that’s been deleted, or a setting with no value. You can compare an object with empty to check whether an object exists before you access any of its attributes."
  }
]