code: function (top, left, bottom, right) {
  
              if (arguments.length !== 4) {
                  throw new ArgumentError(
                      Logger.logMessage(Logger.LEVEL_SEVERE, "Insets", "constructor", "invalidArgumentCount"));
              }
  
              // These are all documented with their property accessors below.
              this._top = top;
              this._left = left;
              this._bottom = bottom;
              this._right = right;
          }
docs: Constructs an Insets object that is a representation of the borders of a container.
  It specifies the space that a container must leave at each of its edges.
  @alias Insets
  @param {Number} top The inset from the top.
  @param {Number} left The inset from the left.
  @param {Number} bottom The inset from the bottom.
  @param {Number} right The inset from the right.
  @constructor