import { ExtractPropTypes, PropType } from 'vue';
export interface TreeNodeData {
    key: string | number;
    label: string;
    children?: TreeNodeData[];
    disabled?: boolean;
    isLeaf?: boolean;
    icon?: string;
}
export type TreeLineStyle = 'solid' | 'dashed' | 'dotted';
export type DropPosition = 'before' | 'inside' | 'after';
export interface TreeDropInfo {
    dragNode: TreeNodeData;
    dropNode: TreeNodeData;
    position: DropPosition;
}
export declare const treeProps: {
    readonly data: {
        readonly type: PropType<TreeNodeData[]>;
        readonly default: () => never[];
    };
    readonly selected: {
        readonly type: PropType<string | number | null | (string | number)[]>;
        readonly default: null;
    };
    readonly checked: {
        readonly type: PropType<(string | number)[]>;
        readonly default: () => never[];
    };
    readonly expanded: {
        readonly type: PropType<(string | number)[]>;
        readonly default: undefined;
    };
    readonly defaultExpandAll: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly defaultExpandedKeys: {
        readonly type: PropType<(string | number)[]>;
        readonly default: () => never[];
    };
    readonly checkable: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly selectable: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
    readonly showLine: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly accordion: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly indent: {
        readonly type: NumberConstructor;
        readonly default: 24;
    };
    readonly filterText: {
        readonly type: StringConstructor;
        readonly default: "";
    };
    readonly draggable: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly editable: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly multiple: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly showCount: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly lineStyle: {
        readonly type: PropType<TreeLineStyle>;
        readonly default: "solid";
    };
    readonly striped: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly virtual: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly itemHeight: {
        readonly type: NumberConstructor;
        readonly default: 30;
    };
    readonly virtualHeight: {
        readonly type: NumberConstructor;
        readonly default: 400;
    };
    readonly load: {
        readonly type: PropType<(node: TreeNodeData) => Promise<TreeNodeData[]>>;
        readonly default: undefined;
    };
    readonly highlightFilter: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
};
export type TreeProps = ExtractPropTypes<typeof treeProps>;