import { QueueChannelConfiguration, QueueConfiguration, QueuesConfig } from "../../../state/QueuesState/QueuesStateTypes";
export declare class SLAPreferencesService {
    static updateDefaultSLAPreferences(preferences: QueuesConfig["default"]): Promise<void>;
    static updateQueueSLAPreferences(queuePreferences: {
        queue_sid: string;
        queue: QueueConfiguration | null;
        channels: QueueChannelConfiguration[];
    }): Promise<void>;
    private static saveQueuesConfig;
    private static postQueuesConfig;
}