HighchartsChartParallelAxesTitleOptions constructor
Titles for yAxes are taken from xAxis.categories. All options for xAxis.labels
applies to parallel coordinates titles. For example, to style categories, use xAxis.labels.style.
API Docs: https://api.highcharts.com/highcharts/chart.parallelAxes.title
Implementation
HighchartsChartParallelAxesTitleOptions(
{this.reserveSpace, this.text, this.textAlign});