Add correct since tag

Author: dbaeumer

types/src/main.ts

@@ -2347,16 +2347,22 @@ export interface FormattingOptions {
 
 	/**
 	 * Trim trailing whitespaces on a line.
+	 *
+	 * @since 3.15.0
 	 */
 	trimTrailingWhitespace?: boolean;
 
 	/**
 	 * Insert a newline character at the end of the file if one does not exist.
+	 *
+	 * @since 3.15.0
 	 */
 	insertFinalNewline?: boolean;
 
 	/**
 	 * Trim all newlines after the final newline at the end of the file.
+	 *
+	 * @since 3.15.0
 	 */
 	trimFinalNewlines?: boolean;