old_contents: export default class Enums {
    static get DATATYPE_MULTIDIMENSIONAL () { return 'multidimensional'; }
    static get DATATYPE_UNIDIMENSIONAL () {return 'unidimensional'};
    static get BARLAYOUT_STACKED () { return 'stacked'; };
    static get BARLAYOUT_GROUPED () { return 'grouped'; };
    static get ANCHOR_LEFT () { return 'left'; }
    static get ANCHOR_RIGHT () { return 'right';}
    static get ANCHOR_BOTTOM () {return 'bottom';}
    static get LABEL_INSIDE () {return 'inside';}
    static get LABEL_OUTSIDE () {return 'outside';}
    static get LABEL_FIT () {return 'fit';}         // TODO: Not in use ??!
    static get LABEL_NONE () {return 'none';}
  }
  
new_contents: export default class Enums {
    static get DATATYPE_MULTIDIMENSIONAL () { return 'multidimensional'; }
    static get DATATYPE_UNIDIMENSIONAL () {return 'unidimensional'};
    static get BARLAYOUT_STACKED () { return 'stacked'; };
    static get BARLAYOUT_GROUPED () { return 'grouped'; };
    static get ANCHOR_LEFT () { return 'left'; }
    static get ANCHOR_RIGHT () { return 'right';}
    static get ANCHOR_BOTTOM () {return 'bottom';}
    static get ANCHOR_TOP () {return 'top';}
    static get LABEL_INSIDE () {return 'inside';}
    static get LABEL_OUTSIDE () {return 'outside';}
    static get LABEL_FIT () {return 'fit';}         // TODO: Not in use ??!
    static get LABEL_NONE () {return 'none';}
  }
  
subject: Add ANCHOR_TOP to enums