demo/typescript.js
function removeDynamicallyNamedProperties(node) {
                return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); });
            }
function removeDynamicallyNamedProperties(node) {
                return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); });
            }
Like removeComputedProperties, but retains the properties with well known symbol names