function isJSDocComment([firstComment]) {
			if (firstComment.type !== "Block") {
				return false;
			}

			const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER);

			return (
				/^\*\s*$/u.test(lines[0]) &&
				lines.slice(1, -1).every(line => /^\s* /u.test(line)) &&
				/^\s*$/u.test(lines.at(-1))
			);
		}
Checks if a comment group is in JSDoc form.
@param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment.
@returns {boolean} Whether or not the comment group is in JSDoc form.