function mixed_event_handler_syntaxes(node, name) {
	e(node, 'mixed_event_handler_syntaxes', `Mixing old (on:${name}) and new syntaxes for event handling is not allowed. Use only the on${name} syntax\nhttps://svelte.dev/e/mixed_event_handler_syntaxes`);
}
Mixing old (on:%name%) and new syntaxes for event handling is not allowed. Use only the on%name% syntax
@param {null | number | NodeLike} node
@param {string} name
@returns {never}