import TreeWrap from "../Utils/TreeWrap";
export declare function isValidMove(id: any, targetId: any, tree: any): boolean;
export declare const DropType: {
    CENTER: number;
    TOP: number;
    BOTTOM: number;
};
export declare function modifyClassType(el: any, type: any): void;
export declare function unique(array: number[]): number[];
export declare function buildTree(props: any): TreeWrap;
declare const _default: {
    isValidMove: typeof isValidMove;
    DropType: {
        CENTER: number;
        TOP: number;
        BOTTOM: number;
    };
    modifyClassType: typeof modifyClassType;
    buildTree: typeof buildTree;
    unique: typeof unique;
};
export default _default;