Gio.FileAttributeInfoList.prototype.add

function add(name: String, type: Gio.FileAttributeType, flags: Gio.FileAttributeInfoFlags): void {
    // Gjs wrapper for g_file_attribute_info_list_add()
}

Adds a new attribute with name to the list, setting its type and flags.

name: the name of the attribute to add.
type: the Gio.FileAttributeType for the attribute.
flags: Gio.FileAttributeInfoFlags for the attribute.