Get the available timeout valuesdescription: "If still unacked after 1 minute", type: 1 description: "If still unacked after 5 minutes", type: 5 description: "If still unacked after 10 minutes", type: 10 description: "If still unacked after 15 minutes", type: 15 description: "If still unacked after 20 minutes", type: 20 description: "If still unacked after 25 minutes", type: 25 description: "If still unacked after 30 minutes", type: 30 description: "If still unacked after 45 minutes", type: 45 description: "If still unacked after 60 minutes", type: 60This API may be called a maximum of 60 times per minute.