PlotOptionsSolidgauge is missing innerRadius property

[alvarezguille]

[johannest]

Workaround

private class CustomPlotOptionsSolidgauge extends PlotOptionsSolidgauge {
        private String innerRadius;
        public String getInnerRadius() {
            return innerRadius;
        }
        public void setInnerRadius(String innerRadius) {
            this.innerRadius = innerRadius;
        }
    }

More generally, when some HighCharts property is missing from Vaadin Chart's Java API, then just extend the Java Class and add the missing property there