Expensive recursive factory method for "indexed elements".
Returns the same as build(None, rootElem, path).
Returns the same as build(docUriOption, rootElem, Path.Root).
Returns the same as build(None, rootElem).
Builder of
IndexedScopedElemobjects. The builder has a chosen URI resolver strategy. Typically these builders are long-lived global objects. Each element created with this builder will have the same URI resolver, viz. the one passed as constructor argument of the builder.