| 12345678910111213141516171819202122 | 'use strict';const { keyframeSelectorKeywords } = require('../reference/keywords');/** * Check whether a string is a keyframe selector. * * @param {string} selector * @returns {boolean} */module.exports = function isKeyframeSelector(selector) {	if (keyframeSelectorKeywords.has(selector)) {		return true;	}	// Percentages	if (/^(?:\d+|\d*\.\d+)%$/.test(selector)) {		return true;	}	return false;};
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