export type LoadingMode = 'blocking' | 'semi';
export interface LoadingOptions {
    message?: string;
    mode?: LoadingMode;
    cancelable?: boolean;
    onCancel?: () => void;
    maskColor?: string;
    animationDuration?: number;
}
export type LoadingState = ({
    visible: true;
} & Required<Pick<LoadingOptions, 'mode'>> & Omit<LoadingOptions, 'mode'>) | {
    visible: false;
};
export type LoadingListener = (state: LoadingState) => void;
declare class LoadingServiceImpl {
    private listeners;
    private current;
    subscribe(listener: LoadingListener): () => void;
    private notify;
    show(options?: LoadingOptions): void;
    hide(): void;
}
export declare const LoadingService: LoadingServiceImpl;
export declare const Loading: LoadingServiceImpl;
export {};
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