code: function _getObjectProperty (object, index) {
    if (index.size().length !== 1) {
      throw new DimensionError(index.size(), 1)
    }
  
    const key = index.dimension(0)
    if (typeof key !== 'string') {
      throw new TypeError('String expected as index to retrieve an object property')
    }
  
    return getSafeProperty(object, key)
  }
docs: Retrieve a property from an object
  @param {Object} object
  @param {Index} index
  @return {*} Returns the value of the property
  @private