WordPress at a glance
function is not described

list_translation_updates() WP 3.7.0

No Hooks.

Return

Nothing (null).

Usage

list_translation_updates();

Code of list translation updates: wp-admin/update-core.php WP 5.2.2

<?php
function list_translation_updates() {
	$updates = wp_get_translation_updates();
	if ( ! $updates ) {
		if ( 'en_US' != get_locale() ) {
			echo '<h2>' . __( 'Translations' ) . '</h2>';
			echo '<p>' . __( 'Your translations are all up to date.' ) . '</p>';
		}
		return;
	}

	$form_action = 'update-core.php?action=do-translation-upgrade';
	?>
	<h2><?php _e( 'Translations' ); ?></h2>
	<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-translations" class="upgrade">
		<p><?php _e( 'New translations are available.' ); ?></p>
		<?php wp_nonce_field( 'upgrade-translations' ); ?>
		<p><input class="button" type="submit" value="<?php esc_attr_e( 'Update Translations' ); ?>" name="upgrade" /></p>
	</form>
	<?php
}