import { Tree } from "@tsplus/stdlib/collections/Tree/definition";
/**
 * Flatten a `Tree<Tree<A>>` into `a Tree<A>`
 * @tsplus getter Tree flatten
 * @tsplus location "@tsplus/stdlib/collections/Tree/flatten"
 */
export declare function flatten<A>(self: Tree<Tree<A>>): Tree<A>;
//# sourceMappingURL=flatten.d.ts.map