function getStartSvgTransform(/* tweenProp */_, value) {
    var transformObject = {};
    var currentTransform = parseTransformString(this.element.getAttribute('transform'));

    // find a value in current attribute value or add a default value
    Object.keys(value).forEach(function (j) {
      var scaleValue = j === 'scale' ? 1 : 0;
      transformObject[j] = j in currentTransform ? currentTransform[j] : scaleValue;
    });

    return transformObject;
  }
Returns an object with the current transform attribute value.
@param {string} _ the property name
@param {string} value the property value
@returns {string} current transform object