/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import { BTree } from "@tylerbu/sorted-btree-es6";
import { type Brand } from "./brand.js";
export type TupleBTree<K, V> = Brand<BTree<K, V>, "TupleBTree">;
export declare function newTupleBTree<K extends readonly unknown[], V>(entries?: [K, V][]): TupleBTree<K, V>;
export declare function mergeTupleBTrees<K extends readonly unknown[], V>(tree1: TupleBTree<K, V> | undefined, tree2: TupleBTree<K, V> | undefined, preferLeft?: boolean): TupleBTree<K, V>;
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