function treeAppendimport { treeAppend } from "https://deno.land/x/rimbu@0.13.1/list/custom/implementation/tree/operations.ts"; treeAppend<T, TS extends Tree<T, TS, TB, C>, TB extends Block<T, TB, C>, C>(tree: Tree<T, TS, TB, C>, child: C): TSType ParametersTTS extends Tree<T, TS, TB, C>TB extends Block<T, TB, C>CParameterstree: Tree<T, TS, TB, C>child: CReturnsTS