function getTokenContent(token) {
			if (typeof token === "string") {
				return token;
			}
			if (typeof token.content === "string") {
				return token.content;
			}
			return [token.content].flat().map(getTokenContent).join("");
		}
Get the content of the token.
@param {string | Prism.Token} token The token
@returns {string} The content of the token