code: function(type, visible) {
  			if (typeof type === "object") {
  				this._visibleAnnotationTypes = type;
  			} else {
  				if (!this._visibleAnnotationTypes) this._visibleAnnotationTypes = {};
  				this._visibleAnnotationTypes[type] = visible;
  			}
  		}
docs: Sets whether annotations of the given annotation type are visble. By default
  all annotations added to the receiver are visible.
  
  @param {Object} type
  @param {Boolean} visible
  @since 14.0