function convertToBlock(firstComment, commentLinesList) {
			return `/* ${commentLinesList.join(`\n${getInitialOffset(firstComment)}   `)} */`;
		}
Converts a comment into bare-block form
@param {Token} firstComment The first comment of the group being converted
@param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
@returns {string} A representation of the comment value in bare-block form