import { IMessageBusTopicPublishSubscriber } from "../../../models";
export declare enum SpfxSettingsActionType {
    Get = 0,
    Set = 1
}
export type SpfxWebPartSettingMsg = {
    action: SpfxSettingsActionType;
    callBack: (value?: any) => void;
    value?: any;
};
export declare class InternalTopics {
    static spfxWebPartSettingTopic: (settingKey: string) => IMessageBusTopicPublishSubscriber<SpfxWebPartSettingMsg>;
}