import type { BinTree } from '../../types';
/**
 * functions to interact with the binTree
 */
export declare const TreeMath: {
    contains: (tree: BinTree, id: bigint) => boolean;
    add: (tree: BinTree, id: bigint) => boolean;
    remove: (tree: BinTree, id: bigint) => boolean;
    findFirstLeft: (tree: BinTree, id: bigint) => bigint;
    findFirstRight: (tree: BinTree, id: bigint) => bigint;
};
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