change the css classes in bbp_template_notices() function

hello, I need to change the css class”bbp-template-notice” of the returned html in the function bbp_template_notices() exist in includes/common/template.php but i dont see any filter in it , how this can be done?

the function:

function bbp_template_notices() {

	// Bail if no notices or errors
	if ( ! bbp_has_errors() ) {
		return;
	}

	// Define local variable(s)
	$errors = $messages = array();

	// Get bbPress
	$bbp = bbpress();

	// Loop through notices
	foreach ( $bbp->errors->get_error_codes() as $code ) {

		// Get notice severity
		$severity = $bbp->errors->get_error_data( $code );

		// Loop through notices and separate errors from messages
		foreach ( $bbp->errors->get_error_messages( $code ) as $error ) {
			if ( 'message' === $severity ) {
				$messages[] = $error;
			} else {
				$errors[]   = $error;
			}
		}
	}

	// Display errors first...
	if ( ! empty( $errors ) ) : ?>

		<div class="bbp-template-notice error" role="alert" tabindex="-1">
			<ul>
				<li><?php echo implode( "</li>\n<li>", $errors ); ?></li>
			</ul>
		</div>

	<?php endif;

	// ...and messages last
	if ( ! empty( $messages ) ) : ?>

		<div class="bbp-template-notice">
			<ul>
				<li><?php echo implode( "</li>\n<li>", $messages ); ?></li>
			</ul>
		</div>

	<?php endif;
}