var instance = new Vintasoft.Imaging.Annotation.UI.WebArcAnnotationViewJS();

var value; // Type: any

// Parameters
var angle; // Type: number
var isHorizontalMirrored; // Type: boolean
var isVerticalMirrored; // Type: boolean

value = instance.setStartAngle(angle, isHorizontalMirrored, isVerticalMirrored);