import * as C from '@collectable/core';
import { ComparatorFn } from '@collectable/core';
import { RedBlackTreeStructure } from '../internals';
export declare function fromKeys<K>(compare: ComparatorFn<K>, keys: K[] | RedBlackTreeStructure<K, any> | Iterable<K>, mutability?: C.PreferredContext): RedBlackTreeStructure<K>;