method LeafTree.prototype.copy2import { LeafTree } from "https://deno.land/x/rimbu@0.13.0/list/custom/implementation/leaf/leaf-tree.ts"; copy2<T2>(left: LeafBlock<T2>,right: LeafBlock<T2>,middle: NonLeaf<T2, LeafBlock<T2>> | null,): LeafTree<T2>Type ParametersT2Parametersleft: LeafBlock<T2>right: LeafBlock<T2>middle: NonLeaf<T2, LeafBlock<T2>> | nullReturnsLeafTree<T2>