import { CreateNamespace } from '../../../utils/src/create';
import { ExtractPropTypes, InjectionKey, PropType, SetupContext } from 'vue';
import { VirtualListProps } from '../../virtual-list/src/virtual-list';
import { ScrollbarProps } from '../../scrollbar/src/scrollbar';
export declare const InjectBem: InjectionKey<CreateNamespace>;
export type TreeKey = string;
export type TreeValue = string | number;
export interface TreeData extends TreeOption {
    rawData: TreeOption;
    level: number;
    children?: TreeData[];
    isLeaf: boolean;
    isExpanded: boolean;
    isLoading: boolean;
    isSelected: boolean;
    dragBorder?: boolean;
    dragBorderBottom?: number;
}
export interface TreeOption {
    value: TreeValue;
    key: TreeKey;
    children?: TreeOption[];
    isLeaf?: boolean;
    [key: string]: unknown;
}
export declare const treeProps: {
    readonly data: {
        readonly type: PropType<TreeOption[]>;
        readonly required: true;
    };
    readonly valueField: {
        readonly type: StringConstructor;
        readonly default: "value";
    };
    readonly keyField: {
        readonly type: StringConstructor;
        readonly default: "key";
    };
    readonly defaultExpandedKeys: {
        readonly type: PropType<TreeKey[]>;
    };
    readonly onLoad: {
        readonly type: PropType<(node: TreeOption) => Promise<any>>;
    };
    readonly selectable: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly multiple: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly selectedKeys: {
        readonly type: PropType<TreeKey[]>;
    };
    readonly indentWidth: {
        readonly type: NumberConstructor;
        readonly default: 21;
    };
    readonly draggable: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly virtualScroll: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly virtualListProps: PropType<Pick<VirtualListProps, "wrapperMaxSize">>;
    readonly scrollbarProps: PropType<ScrollbarProps>;
    readonly theme: {
        type: PropType<import('../../../theme-chalk').ThemeKey>;
    };
    readonly themeOverrides: PropType<Partial<{
        treeWrapperPadding: any;
        treePadding: any;
        treeBackgroundColorHover: any;
        treeBorder: any;
        treeBottomBorderPos: any;
        treeBottomBorderHeight: any;
        treeBottomBorderBackgroundColor: any;
        treeTextFontSize: any;
        treeExpandedIconRotate: any;
        treeSelectedBackgroundColor: any;
        treeIndentSize: any;
        treeIconSize: any;
        treeIconTransitionTime: any;
    }>>;
};
export type TreeProps = ExtractPropTypes<typeof treeProps>;
export declare const treeEmits: {
    'update:selectedKeys': (payload: TreeKey[]) => void;
    drag: (payload: {
        dragNode: TreeOption;
        dragNodeParent: TreeOption | null;
        dropNode: TreeOption | null;
        position: number;
    }) => void;
};
export type TreeEmits = typeof treeEmits;
export declare const InjectSlots: InjectionKey<{
    slots: SetupContext["slots"];
}>;