import { InjectionKey } from "vue";
interface LoadingBarInst {
    start: () => void;
    finish: () => void;
    error: () => void;
}
export declare type LoadingBarApiInjection = LoadingBarInst;
export declare const loadingBarApiInjectionKey: InjectionKey<LoadingBarApiInjection>;
declare const _default: import("vue").DefineComponent<{}, {
    loadingBarRef: import("vue").Ref<{
        start: () => void;
        finish: () => void;
        error: () => void;
    } | null>;
}, {}, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, import("vue").EmitsOptions, string, import("vue").VNodeProps & import("vue").AllowedComponentProps & import("vue").ComponentCustomProps, Readonly<import("vue").ExtractPropTypes<{}>>, {}>;
export default _default;