fnSetArrowDimensions = function (oThis) {
                var mParams = Object.assign({
                    sapUiUx3ToolPopupArrowWidth: "13px",
                    sapUiUx3ToolPopupArrowHeight: "24px",
                    sapUiUx3ToolPopupArrowRightMarginCorrection: "-2px",
                    sapUiUx3ToolPopupArrowRightMarginCorrectionInverted: "-7px"
                }, Parameters.get({
                    name: [
                        "sapUiUx3ToolPopupArrowWidth",
                        "sapUiUx3ToolPopupArrowHeight",
                        "sapUiUx3ToolPopupArrowRightMarginCorrection",
                        "sapUiUx3ToolPopupArrowRightMarginCorrectionInverted"
                    ],
                    callback: function () {
                        oThis.invalidate();
                    }
                }));

                var sParam = "sapUiUx3ToolPopupArrowWidth";
                oThis.sArrowWidth = mParams[sParam];
                oThis.iArrowWidth = parseInt(oThis.sArrowWidth);

                sParam = "sapUiUx3ToolPopupArrowHeight";
                oThis.sArrowHeight = mParams[sParam];
                oThis.iArrowHeight = parseInt(oThis.sArrowHeight);

                sParam = "sapUiUx3ToolPopupArrowRightMarginCorrection";
                oThis.sArrowPadding = mParams[sParam];
                oThis.iArrowPadding = parseInt(oThis.sArrowPadding);

                sParam = "sapUiUx3ToolPopupArrowRightMarginCorrectionInverted";
                oThis.sArrowPaddingInverted = mParams[sParam];
                oThis.iArrowPaddingInverted = parseInt(oThis.sArrowPaddingInverted);
            }
Sets the arrow dimensions.

@param {sap.ui.ux3.ToolPopup} oThis The Toolpopup instnace
@private