/// <reference types="hoist-non-react-statics" />
import { BaseSelection, BaseSelectionProps } from './Selection';
import { Option } from './Select';
export interface TreeSelectionProps extends BaseSelectionProps {
    expand?: 'all' | 'first' | 'root' | 'none';
}
export interface TreeSelectionState {
    expanded: Array<string>;
}
export declare class TreeSelection extends BaseSelection<TreeSelectionProps, TreeSelectionState> {
    valueArray: Array<Option>;
    state: TreeSelectionState;
    static defaultProps: {
        expand: "first";
        placeholder: string;
        itemRender: typeof BaseSelection.itemRender;
        multiple: boolean;
        clearable: boolean;
        virtualThreshold: number;
        itemHeight: number;
    };
    componentDidMount(): void;
    componentDidUpdate(prevProps: TreeSelectionProps): void;
    syncExpanded(): void;
    toggleOption(option: Option): void;
    toggleCollapsed(option: Option, index: string): void;
    renderItem(option: Option, index: number, indexes?: Array<number>): JSX.Element;
    render(): JSX.Element;
}
declare const _default: {
    new (props: Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
        locale?: string | undefined;
        translate?: ((str: string, ...args: any[]) => string) | undefined;
    } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps): {
        ref: any;
        childRef(ref: any): void;
        getWrappedInstance(): any;
        render(): JSX.Element;
        context: any;
        setState<K extends never>(state: {} | ((prevState: Readonly<{}>, props: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>) => {} | Pick<{}, K> | null) | Pick<{}, K> | null, callback?: (() => void) | undefined): void;
        forceUpdate(callback?: (() => void) | undefined): void;
        readonly props: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps> & Readonly<{
            children?: import("react").ReactNode;
        }>;
        state: Readonly<{}>;
        refs: {
            [key: string]: import("react").ReactInstance;
        };
        componentDidMount?(): void;
        shouldComponentUpdate?(nextProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, nextState: Readonly<{}>, nextContext: any): boolean;
        componentWillUnmount?(): void;
        componentDidCatch?(error: Error, errorInfo: import("react").ErrorInfo): void;
        getSnapshotBeforeUpdate?(prevProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, prevState: Readonly<{}>): any;
        componentDidUpdate?(prevProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, prevState: Readonly<{}>, snapshot?: any): void;
        componentWillMount?(): void;
        UNSAFE_componentWillMount?(): void;
        componentWillReceiveProps?(nextProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, nextContext: any): void;
        UNSAFE_componentWillReceiveProps?(nextProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, nextContext: any): void;
        componentWillUpdate?(nextProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, nextState: Readonly<{}>, nextContext: any): void;
        UNSAFE_componentWillUpdate?(nextProps: Readonly<Omit<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
            locale?: string | undefined;
            translate?: ((str: string, ...args: any[]) => string) | undefined;
        } & import("amis-core").ThemeProps, keyof import("amis-core").ThemeProps> & import("amis-core/lib/theme").ThemeOutterProps>, nextState: Readonly<{}>, nextContext: any): void;
    };
    displayName: string;
    contextType: import("react").Context<string>;
    ComposedComponent: import("react").ComponentType<import("react").ComponentType<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
        locale?: string | undefined;
        translate?: ((str: string, ...args: any[]) => string) | undefined;
    } & import("amis-core").ThemeProps> & {
        themeKey?: string | undefined;
    }>;
} & import("hoist-non-react-statics").NonReactStatics<import("react").ComponentType<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
    locale?: string | undefined;
    translate?: ((str: string, ...args: any[]) => string) | undefined;
} & import("amis-core").ThemeProps> & {
    themeKey?: string | undefined;
}, {}> & {
    ComposedComponent: import("react").ComponentType<Omit<import("amis-core").LocaleProps, keyof import("amis-core").LocaleProps> & {
        locale?: string | undefined;
        translate?: ((str: string, ...args: any[]) => string) | undefined;
    } & import("amis-core").ThemeProps> & {
        themeKey?: string | undefined;
    };
};
export default _default;