function normalizeVersion(versionDesc) {
	versionDesc = (versionDesc && versionDesc.trim()) || "";

	if (isRequiredVersion(versionDesc)) {
		return versionDesc;
	}

	// add handle for URL Dependencies
	return getGitUrlVersion(versionDesc.toLowerCase());
}
@see https://docs.npmjs.com/cli/v7/configuring-npm/package-json#urls-as-dependencies
@param {string} versionDesc version to be normalized
@returns {string} normalized version