function createBoxPartElement(style, name, side, suffix)
        {
            var propertyName = (name !== "position" ? name + "-" : "") + side + suffix;
            var value = style.get(propertyName);
            if (value === "" || (name !== "position" && value === "0px"))
                value = "\u2012";
            else if (name === "position" && value === "auto")
                value = "\u2012";
            value = value.replace(/px$/, "");
            value = Number.toFixedIfFloating(value);

            var element = createElement("div");
            element.className = side;
            element.textContent = value;
            element.addEventListener("dblclick", this.startEditing.bind(this, element, name, propertyName, style), false);
            return element;
        }
@param {!Map.<string, string>} style
@param {string} name
@param {string} side
@param {string} suffix
@this {WebInspector.MetricsSidebarPane}