import { ReactNode } from 'react';
import { DelayHandler } from '@befe/brick-utils';
import { ConfiguredComponent } from '@befe/brick-core';
export interface LoadingProps {
    /**
     * 自定义 class
     */
    className?: string;
    /**
     * 显示 loading
     */
    visible?: boolean;
    /**
     * 模式
     */
    mode?: 'normal' | 'modal';
    /**
     * 动画样式
     */
    type?: 'spin' | 'bounce';
    /**
     * 延迟显示，以避免闪烁，单位：毫秒
     */
    delay?: number;
    /**
     * 最小 loading 时间，以避免闪烁，单位：毫秒
     */
    minDuration?: number;
    /**
     * 自定义加载图示
     */
    spinner?: ReactNode;
    /**
     * 提示信息
     */
    message?: ReactNode;
}
interface LoadingState {
    visible: boolean;
    showSpinner: boolean;
}
export declare class Loading extends ConfiguredComponent<LoadingProps, LoadingState> {
    static displayName: string;
    static defaultProps: {
        className: string;
        minDuration: number;
        type: string;
        mode: string;
    };
    static getDerivedStateFromProps(nextProps: LoadingProps): {
        visible: true;
    } | null;
    state: {
        /**
         * 是否处于 loading 状态
         * 根据 props.minDuration 延时关闭
         */
        visible: boolean;
        /**
         * 是否显示 spinner
         * 根据 props.delay 延时显示
         */
        showSpinner: boolean;
    };
    /**
     * spinner 开始显示的时间戳，用以计算是否 loading 显示达到 minDuration
     * spinner 不显示时保证为 0，在 stopSpin() 中重置为 0
     */
    spinnerShowStartTimestamp: number;
    delayShowSpinnerHandler: DelayHandler;
    ensureMinimumDurationHandler: DelayHandler | null;
    get className(): string;
    get delay(): number;
    get isModal(): boolean;
    get minDuration(): number;
    initDelayShowSpinnerHandler(): void;
    delayShowSpinner(): void;
    delayHideEnsureMinDuration(): void;
    startSpin(): void;
    stopSpin(): void;
    clearDelayHideLoading(): void;
    clearDelayShowSpinner(): void;
    renderSpinner(): import("react/jsx-runtime").JSX.Element;
    renderMessage(): false | "" | 0 | import("react/jsx-runtime").JSX.Element | null | undefined;
    renderLoadingContent(): import("react/jsx-runtime").JSX.Element | null;
    renderLoadingInner(): import("react/jsx-runtime").JSX.Element | null;
    renderLoading(): import("react/jsx-runtime").JSX.Element;
    renderModalLoading(): import("react/jsx-runtime").JSX.Element;
    updateLoadingState(): void;
    componentDidMount(): void;
    componentDidUpdate(): void;
    componentWillUnmount(): void;
    render(): import("react/jsx-runtime").JSX.Element;
}
export {};